{"product_id":"4-inch-inline-filter-box-with-high-efficiency-filt","title":"4 Inch Inline Filter Box With High Efficiency Filter For Whole House HVAC Filtration Kit That Blocks Dust And Odors Fits 4 Inch Inline Duct Fans For Fresh Air Intake And Ventilation Heavy Duty Steel Build","description":"\u003cdiv\u003e4 Inch Inline Filter Box for Fresh Air and Odor Blocking\u003cbr\u003e\n✔️ 400 CFM max, fits 4-inch inline fans, steel shell, single unit \u003cp\u003eThis 4 inch inline filter box is designed for use with inline fans to circulate fresh air while blocking dust and odors. It is built from heavy-duty 1 mm cold-rolled steel with aluminum duct flanges to weather tough environments. A slide-lock door provides quick access to the inner chamber, and a soft neoprene layer creates a dust-free seal. Dimensions: 23.46 x 8.42 x 11.73 inches (596 x 214 x 298 mm). Includes a standard high-efficiency filter capable of trapping dust, dirt, lint, and odors. Fits 12 x 20 x 1 inch filters and supports up to 400 CFM.\u003c\/p\u003e \u003cp\u003e✅ 4-inch inline duct box design for inline fans \u003cbr\u003e✅ Heavy-duty steel body with 1 mm thickness \u003cbr\u003e✅ Slide-lock door with neoprene seal for dust-free chamber \u003cbr\u003e✅ Includes high-efficiency filter to trap dust, dirt, lint, and odors \u003cbr\u003e✅ Dimensions: 23.46 x 8.42 x 11.73 inches (596 x 214 x 298 mm) \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is an inline filter box used for in residential HVAC systems?\u003c\/p\u003e\n\u003cp\u003eInline filter boxes are handy devices placed in ductwork to clean incoming air, block dust and odors, and protect fans and ducts in a home or small commercial setup.\u003c\/p\u003e\n- Handy for improving indoor air quality in HVAC systems\n- Protects inline fans and ducts from dust and odors\n- Compatible with standard 12 x 20 x 1 inch filters\n- Rugged steel construction for weather-ready use✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48765157900523,"sku":"VXB0921N33Y7","price":220.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/41EWnjz-1aS.jpg?v=1780976735","url":"https:\/\/vxb.com\/products\/4-inch-inline-filter-box-with-high-efficiency-filt","provider":"VXB Bearings","version":"1.0","type":"link"}