{"product_id":"field-controls-duo-2000-healthy-home-duo-air-purification-system-46636000","title":"Field Controls Duo-2000 Healthy Home Duo Air Purification System | 46636000","description":"\u003cstyle\u003e.gm-product{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:#1a1a2e;line-height:1.6;max-width:100%;overflow-wrap:break-word}.gm-product *{box-sizing:border-box}.gm-product h2,.gm-product h3{margin-top:0}.gm-product p{margin:0 0 12px}.gm-product a{color:#cc0000;text-decoration:none}.gm-product a:hover{text-decoration:underline}.gm-badges{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 32px}.gm-badge{display:inline-flex;align-items:center;gap:8px;background:#f0f4f8;border:1px solid #d1dce6;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;color:#2d3748}.gm-badge svg{flex-shrink:0}.gm-badge--accent{background:#e8f5e9;border-color:#a5d6a7;color:#1b5e20}.gm-badge--blue{background:#e3f2fd;border-color:#90caf9;color:#0d47a1}.gm-badge--warn{background:#fff3e0;border-color:#ffcc80;color:#e65100}.gm-badge--system{background:#f3e5f5;border-color:#ce93d8;color:#6a1b9a}.gm-section{margin:48px 0}.gm-section h2,.gm-section-title{font-size:22px;font-weight:700;color:#1a1a2e;margin:0 0 8px;padding-bottom:12px;border-bottom:3px solid #cc0000;display:inline-block}.gm-section-sub{font-size:15px;color:#64748b;margin:4px 0 24px}.gm-section-intro{font-size:15px;color:#64748b;margin:4px 0 24px}.gm-perf-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin:24px 0}.gm-perf-card{background:linear-gradient(135deg,#f8fafc,#eef2f7);border:1px solid #d1dce6;border-radius:12px;padding:20px;text-align:center}.gm-perf-card-num{font-size:32px;font-weight:800;color:#cc0000;line-height:1.1}.gm-perf-card-unit{font-size:13px;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:0.5px;margin-top:4px}.gm-perf-card-label{font-size:13px;color:#64748b;margin-top:6px}.gm-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin:24px 0}.gm-feature{background:#ffffff;border:1px solid #e2e8f0;border-radius:12px;padding:20px;display:grid;grid-template-columns:44px 1fr;gap:6px 16px;align-items:start;transition:box-shadow .2s}.gm-feature:hover{box-shadow:0 4px 12px rgba(0,0,0,0.08)}.gm-feature-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:#cc0000;color:white;grid-row:1 \/ span 2}.gm-feature-icon svg{width:24px;height:24px}.gm-feature-icon svg *{stroke:white!important}.gm-feature\u003ediv:not(.gm-feature-icon){grid-column:2;min-width:0}.gm-feature h4{font-size:15px;font-weight:700;color:#1a1a2e;margin:0 0 6px;grid-column:2;word-break:normal;overflow-wrap:anywhere}.gm-feature p{font-size:13px;color:#64748b;margin:0;line-height:1.5;grid-column:2;word-break:normal;overflow-wrap:anywhere}.gm-components{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin:24px 0}.gm-component{background:#ffffff;border:2px solid #e2e8f0;border-radius:12px;padding:24px;position:relative}.gm-component-num{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:50%;background:#cc0000;color:#ffffff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}.gm-component-label{font-size:12px;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}.gm-component-sku{font-size:18px;font-weight:800;color:#1a1a2e;margin-bottom:12px;font-family:ui-monospace,Menlo,Monaco,monospace;word-break:break-all}.gm-component-desc{font-size:13px;color:#475569;margin-bottom:16px;line-height:1.5}.gm-component-specs{list-style:none;padding:0;margin:0;font-size:13px}.gm-component-specs li{padding:6px 0;border-top:1px solid #f1f5f9;display:flex;justify-content:space-between;gap:8px}.gm-component-specs li:first-child{border-top:0}.gm-component-specs li strong{color:#1a1a2e;font-weight:600}.gm-component-specs li span{color:#475569;text-align:right}.gm-product table{width:100%;border-collapse:collapse;margin:16px 0;table-layout:auto}.gm-product table th{padding:12px 16px;background:#f1f5f9;font-weight:700;font-size:13px;color:#374151;text-align:left;border:1px solid #e5e7eb}.gm-product table td{padding:12px 16px;font-size:14px;border:1px solid #e5e7eb;color:#1a1a2e}.gm-product table tr:nth-child(even){background:#f8fafc}.gm-faq{margin:24px 0}.gm-faq-item{border:1px solid #e2e8f0;border-radius:10px;padding:18px 20px;margin-bottom:12px;background:#ffffff}.gm-faq-q{font-size:15px;font-weight:700;color:#1a1a2e;margin:0 0 8px}.gm-faq-a{font-size:14px;color:#475569;margin:0;line-height:1.6}.gm-warranty-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-top:16px}.gm-warranty-item{text-align:center;background:#f0f4f8;border:1px solid #d1dce6;border-radius:10px;padding:20px 16px}.gm-warranty-years{font-size:28px;font-weight:800;color:#cc0000}.gm-warranty-label{font-size:13px;color:#64748b;margin-top:4px}.gm-callout{background:#eff6ff;border:1px solid #c7d2fe;border-radius:12px;padding:20px 24px;margin:24px 0;display:flex;align-items:flex-start;gap:12px;font-size:14px;color:#3730a3;word-break:normal;overflow-wrap:anywhere}.gm-callout svg{flex-shrink:0;margin-top:2px}.gm-callout\u003ediv{flex:1;min-width:0}@media(max-width:768px){.gm-perf-cards{grid-template-columns:repeat(2,1fr)}.gm-features{grid-template-columns:1fr}.gm-components{grid-template-columns:1fr}.gm-warranty-grid{grid-template-columns:1fr}.gm-section{margin:32px 0}.gm-section h2,.gm-section-title{font-size:20px}}@media(max-width:480px){.gm-perf-cards{grid-template-columns:1fr}.gm-perf-card-num{font-size:28px}.gm-badge{font-size:12px;padding:6px 12px}}\u003c\/style\u003e\n\u003cdiv class=\"gm-product\"\u003e\n\u003cdiv class=\"gm-badges\"\u003e\n\u003cspan class=\"gm-badge gm-badge--blue\"\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"4\"\u003e\u003c\/circle\u003e\u003cpath d=\"M12 2v3M12 19v3M2 12h3M19 12h3\"\u003e\u003c\/path\u003e\u003c\/svg\u003eHigh-Intensity UVC\u003c\/span\u003e\n\u003cspan class=\"gm-badge gm-badge--system\"\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003cpath d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e3-Stage Purification\u003c\/span\u003e\n\u003cspan class=\"gm-badge gm-badge--accent\"\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003cpath d=\"M3 9l9-7 9 7v11a2 2 0 01-2 2H5a2 2 0 01-2-2z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"9 22 9 12 15 12 15 22\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003eFits 1.5 to 5 Ton Systems\u003c\/span\u003e\n\u003cspan class=\"gm-badge gm-badge--warn\"\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"10\"\u003e\u003c\/circle\u003e\u003cline x1=\"12\" y1=\"8\" x2=\"12\" y2=\"16\"\u003e\u003c\/line\u003e\u003cline x1=\"8\" y1=\"12\" x2=\"16\" y2=\"12\"\u003e\u003c\/line\u003e\u003c\/svg\u003eOzone Free\u003c\/span\u003e\n\u003cspan class=\"gm-badge\"\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"\u003e\u003cpath d=\"M13 2L3 14h9l-1 8 10-12h-9l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e120\/230V\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gm-section\"\u003e\n\u003ch2 class=\"gm-section-title\"\u003ePerformance at a Glance\u003c\/h2\u003e\n\u003cdiv class=\"gm-perf-cards\"\u003e\n\u003cdiv class=\"gm-perf-card\"\u003e\n\u003cdiv class=\"gm-perf-card-num\"\u003e50\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card-unit\"\u003eWatt\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card-label\"\u003eUVC Lamp\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card\"\u003e\n\u003cdiv class=\"gm-perf-card-num\"\u003e3\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card-unit\"\u003eStages\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card-label\"\u003eUV + PCO + Carbon\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card\"\u003e\n\u003cdiv class=\"gm-perf-card-num\"\u003e1.5 to 5\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card-unit\"\u003eTon\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card-label\"\u003eSystem Compatibility\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card\"\u003e\n\u003cdiv class=\"gm-perf-card-num\"\u003e0.02\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card-unit\"\u003ein WC\u003c\/div\u003e\n\u003cdiv class=\"gm-perf-card-label\"\u003ePressure Drop\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eThe most powerful Duo in the Field Controls lineup. The Duo-2000 pairs a 50 watt, high-intensity UVC lamp with photocatalytic and carbon stages, giving your whole home cleaner, fresher air every time the system runs. It is a simple add-on to almost any new system on our site.\u003c\/p\u003e\n\n\u003cdiv class=\"gm-section\"\u003e\n\u003ch2 class=\"gm-section-title\"\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003eThe Duo-2000 installs inside your ductwork and treats the air your HVAC system already moves. Its UVC lamp is the strongest in the Duo family, putting more germicidal light into the treatment zone, while the PRO-Cell™ and AirFresh™ stages go after odors and VOCs. It runs on 120V or 230V power, so it adapts to most installations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighest-output Duo lamp\u003c\/strong\u003e: a 50 watt UVC lamp delivers more intensity than the 30 watt Duo-16, for systems where you want maximum UV exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree stages in one unit\u003c\/strong\u003e: UVC light, a photocatalytic PRO-Cell™ core, and AirFresh™ carbon work together on germs, VOCs, and odors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole-home coverage\u003c\/strong\u003e: treats air at the HVAC system, so every room on the ductwork benefits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOzone free\u003c\/strong\u003e: Field Controls states its Healthy Home System® products do not generate ozone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow airflow restriction\u003c\/strong\u003e: a 0.02 in WC pressure drop means it won't hold back your blower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual voltage\u003c\/strong\u003e: works on 120V or 230V power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gm-section\"\u003e\n\u003ch2 class=\"gm-section-title\"\u003eHow It Works\u003c\/h2\u003e\n\u003cp class=\"gm-section-sub\"\u003eThree purification stages in one in-duct unit\u003c\/p\u003e\n\u003cdiv class=\"gm-components\"\u003e\n\u003cdiv class=\"gm-component\"\u003e\n\u003cdiv class=\"gm-component-num\"\u003e1\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:10px;margin-bottom:12px;\"\u003e\n\u003csvg width=\"28\" height=\"28\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#cc0000\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"4\"\u003e\u003c\/circle\u003e\u003cline x1=\"12\" y1=\"2\" x2=\"12\" y2=\"5\"\u003e\u003c\/line\u003e\u003cline x1=\"12\" y1=\"19\" x2=\"12\" y2=\"22\"\u003e\u003c\/line\u003e\u003cline x1=\"2\" y1=\"12\" x2=\"5\" y2=\"12\"\u003e\u003c\/line\u003e\u003cline x1=\"19\" y1=\"12\" x2=\"22\" y2=\"12\"\u003e\u003c\/line\u003e\u003cline x1=\"4.9\" y1=\"4.9\" x2=\"7\" y2=\"7\"\u003e\u003c\/line\u003e\u003cline x1=\"17\" y1=\"17\" x2=\"19.1\" y2=\"19.1\"\u003e\u003c\/line\u003e\u003cline x1=\"4.9\" y1=\"19.1\" x2=\"7\" y2=\"17\"\u003e\u003c\/line\u003e\u003cline x1=\"17\" y1=\"7\" x2=\"19.1\" y2=\"4.9\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003cdiv class=\"gm-component-label\"\u003eStage 1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-component-sku\"\u003eUVC Germicidal Lamp\u003c\/div\u003e\n\u003cdiv class=\"gm-component-desc\"\u003eA 50 watt, high-intensity UVC lamp treats air as it moves through the duct, and is designed to reduce airborne bacteria, viruses, mold, and fungi.\u003c\/div\u003e\n\u003cul class=\"gm-component-specs\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e\u003cspan\u003eGermicidal UV\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuns\u003c\/strong\u003e\u003cspan\u003eContinuously\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-component\"\u003e\n\u003cdiv class=\"gm-component-num\"\u003e2\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:10px;margin-bottom:12px;\"\u003e\n\u003csvg width=\"28\" height=\"28\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#cc0000\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003crect x=\"3\" y=\"3\" width=\"18\" height=\"18\" rx=\"2\"\u003e\u003c\/rect\u003e\u003cline x1=\"3\" y1=\"9\" x2=\"21\" y2=\"9\"\u003e\u003c\/line\u003e\u003cline x1=\"3\" y1=\"15\" x2=\"21\" y2=\"15\"\u003e\u003c\/line\u003e\u003cline x1=\"9\" y1=\"3\" x2=\"9\" y2=\"21\"\u003e\u003c\/line\u003e\u003cline x1=\"15\" y1=\"3\" x2=\"15\" y2=\"21\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003cdiv class=\"gm-component-label\"\u003eStage 2\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-component-sku\"\u003ePRO-Cell™ Core\u003c\/div\u003e\n\u003cdiv class=\"gm-component-desc\"\u003eA titanium dioxide catalyst activated by the UV light. This photocatalytic process breaks down VOCs and household odors into water vapor and carbon dioxide.\u003c\/div\u003e\n\u003cul class=\"gm-component-specs\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e\u003cspan\u003ePhotocatalytic Oxidation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003cspan\u003eNone Required\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-component\"\u003e\n\u003cdiv class=\"gm-component-num\"\u003e3\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:center;gap:10px;margin-bottom:12px;\"\u003e\n\u003csvg width=\"28\" height=\"28\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#cc0000\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 2l8 4.5v9L12 20l-8-4.5v-9z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"12\" cy=\"11\" r=\"3\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv class=\"gm-component-label\"\u003eStage 3\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-component-sku\"\u003eAirFresh™ Carbon\u003c\/div\u003e\n\u003cdiv class=\"gm-component-desc\"\u003eActivated carbon media that adsorbs lingering odors from cooking, pets, and everyday living.\u003c\/div\u003e\n\u003cul class=\"gm-component-specs\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e\u003cspan\u003eOdor Adsorption\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia\u003c\/strong\u003e\u003cspan\u003eActivated Carbon\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gm-section\"\u003e\n\u003ch2 class=\"gm-section-title\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth colspan=\"2\"\u003eProduct\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eField Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDuo-2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e46636000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eIn-Duct Whole-Home Air Purifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUVC Lamp Wattage\u003c\/td\u003e\n\u003ctd\u003e50 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurification Stages\u003c\/td\u003e\n\u003ctd\u003eUVC, PRO-Cell™ PCO, AirFresh™ Carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003e1.5 to 5 Ton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Drop\u003c\/td\u003e\n\u003ctd\u003e0.02 in WC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOzone\u003c\/td\u003e\n\u003ctd\u003eNone generated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth colspan=\"2\"\u003eElectrical\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120\/230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gm-section gm-faq\"\u003e\n\u003ch2 class=\"gm-section-title\"\u003eCommon Questions\u003c\/h2\u003e\n\u003cdiv class=\"gm-faq-item\"\u003e\n\u003cdiv class=\"gm-faq-q\"\u003eWhere does it go?\u003c\/div\u003e\n\u003cdiv class=\"gm-faq-a\"\u003eIt installs in the ductwork, typically in the supply or return duct or near the A-coil. Because it fits inside existing ductwork, it is easy to add during a new system install or at a later service visit.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-faq-item\"\u003e\n\u003cdiv class=\"gm-faq-q\"\u003eWill it work with the system I am buying?\u003c\/div\u003e\n\u003cdiv class=\"gm-faq-a\"\u003eIt is sized for forced-air systems from 1.5 to 5 tons, which covers most residential split systems, heat pumps, and air handlers on our site. Add it to your order so it is ready to go in with your new equipment.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-faq-item\"\u003e\n\u003cdiv class=\"gm-faq-q\"\u003eDuo-2000 or Duo-16: which should I choose?\u003c\/div\u003e\n\u003cdiv class=\"gm-faq-a\"\u003eBoth use the same three-stage design and fit the same system sizes. The Duo-2000 uses a 50 watt lamp for higher UV intensity and runs on 120V or 230V. The Duo-16\/120V uses a 30 watt lamp on 120V and is the more budget-friendly pick.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gm-faq-item\"\u003e\n\u003cdiv class=\"gm-faq-q\"\u003eWhat maintenance does it need?\u003c\/div\u003e\n\u003cdiv class=\"gm-faq-a\"\u003eThe PRO-Cell™ core is maintenance free. The UVC lamp loses output over time and should be replaced periodically according to Field Controls' guidance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Field Controls","offers":[{"title":"Default Title","offer_id":50639671033921,"sku":null,"price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/6279\/8913\/files\/187206368_f0f874bd-18e9-49c7-a74a-f5d9e51e87e1.jpg?v=1791592783","url":"https:\/\/aceairdirect.com\/products\/field-controls-duo-2000-healthy-home-duo-air-purification-system-46636000","provider":"Ace Air Direct","version":"1.0","type":"link"}