{"product_id":"air-care-ef1820-18x20x1-flexible-permanent-washable-air-filter","title":"Air-Care EF1820 18x20x1 Flexible Permanent Washable Air Filter","description":"\u003cp\u003eThis Air-Care EF1820 is an 18 in. x 20 in. x 1 in. flexible permanent washable electrostatic air filter designed for HVAC and furnace systems that require non-standard or unique filter sizes. Featuring a flexible frame design, it yields a versatile fit for irregular setups without the rigid metal constraints of traditional options. The electrostatic fiber design generates a natural static charge as air flows through it to attract and trap airborne contaminants such as dust, pollen, mold spores, pet dander, and allergens down to 1 micron, functioning up to 10 times more efficiently than standard disposable filters. This MERV 8 rated filter is a reusable and eco-friendly alternative to disposable models, requiring cleaning only every 1 to 3 months via simple water washing. This specific unit is in fair used condition and remains functional for continuous air purification support\u003c\/p\u003e","brand":"Air-Care","offers":[{"title":"Default Title","offer_id":45853323952314,"sku":"1014043412","price":44.26,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1530\/2074\/files\/1014043412_ai.jpg?v=1778868179","url":"https:\/\/www.loopstone.net\/products\/air-care-ef1820-18x20x1-flexible-permanent-washable-air-filter","provider":"Loopstone Store","version":"1.0","type":"link"}