{"product_id":"diversitech-tuv-rfm-4-1820-uv-reactive-media-filter-18x20x4","title":"Diversitech tuv-rfm-4-1820 Uv Reactive Media Filter 18x20x4","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe DIVERSITECH tuv-rfm-4-1820 is a replacement UV-reactive media filter designed for use with the Fresh-Aire UV Purity whole-house air purification system. Measuring 18 inches x 20 inches x 4 inches, this filter media works in conjunction with UV light technology to capture and neutralize airborne contaminants as air passes through the system. It is engineered as a direct OEM-style replacement, ensuring the Purity system continues to operate at its intended filtration level. HVAC technicians and service professionals install this filter during routine maintenance intervals to restore system performance.\u003c\/p\u003e\n\u003cp\u003eThis UV-reactive media filter is intended for residential whole-house applications where the Fresh-Aire UV Purity system is installed in the main return air duct or air handler. It is suited for standard forced-air HVAC configurations and is designed to replace the existing media at the manufacturer-recommended service interval. The 4-inch depth provides a substantial media bed, supporting effective particle capture across the entire filter face.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement media filter for Fresh-Aire UV Purity whole-house systems\u003c\/li\u003e\n  \u003cli\u003eUV-reactive media construction designed to work with in-duct UV light sources\u003c\/li\u003e\n  \u003cli\u003e18 x 20 x 4 inch dimensions for a precise fit in compatible filter housings\u003c\/li\u003e\n  \u003cli\u003e4-inch media depth supports extended surface area for particle capture\u003c\/li\u003e\n  \u003cli\u003eSold individually (each)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a replacement filter for the Fresh-Aire UV Purity whole-house air purification system in residential forced-air HVAC installations requiring an 18 x 20 x 4 inch UV-reactive media filter.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified HVAC technician. Power down the air handler and UV system at the disconnect before servicing the filter housing. Note the airflow direction arrow on the filter frame and install accordingly. Dispose of the used media filter per local regulations and inspect the UV lamp and housing for any debris before inserting the replacement.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilter Dimensions\u003c\/strong\u003e: 18 x 20 x 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilter Depth\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: DIVERSITECH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: tuv-rfm-4-1820\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIVERSITECH","offers":[{"title":"Default Title","offer_id":51383680532786,"sku":"TUV-RFM-4-1820","price":87.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312674140.webp?v=1782604174","url":"https:\/\/voomisupply.com\/products\/diversitech-tuv-rfm-4-1820-uv-reactive-media-filter-18x20x4","provider":"Voomi Supply","version":"1.0","type":"link"}