{"product_id":"filtrete-18x20x1-air-filter-merv-11-mpr-1000-allergens-pet-dander-4-pack-actual-size-17-68-x-19-68-x-0-81-in","title":"Filtrete 18x20x1 Air Filter – MERV 11, MPR 1000 | Allergens \u0026 Pet Dander | 4-Pack (Actual Size 17.68 x 19.68 x 0.81 in)","description":"\u003ch2\u003eClean air starts with Filtrete 18x20x1\u003c\/h2\u003e\n\u003cp\u003eExperience noticeable air freshness with this 4-pack of Filtrete 18x20x1 MERV 11, MPR 1000 filters. Sized for standard HVAC slots, the actual size is 17.68 x 19.68 x 0.81 inches, ensuring a snug fit in many furnaces, air conditioners, or whole-HVAC systems.\u003c\/p\u003e\n\u003ch3\u003eHow Filtrete 3-in-1 filtration works\u003c\/h3\u003e\n\u003cp\u003eFiltrete 3-in-1 technology combines a dense filter medium with a designed airflow path to pull in and trap particles while letting cleaner air pass through. With a 1000 MPR rating and a MERV 11 level, the filter targets a wide range of particles.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaptures pet dander, smoke particles, pollen, and household dust\u003c\/li\u003e\n\u003cli\u003eSupports cleaner air flow to help reduce surface dust buildup\u003c\/li\u003e\n\u003cli\u003eAsthma and allergy-friendly certification provides added reassurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world uses and benefits\u003c\/h3\u003e\n\u003cp\u003eIn homes with pets or in urban areas with higher pollution, this filter can help maintain steadier airflow and a more comfortable indoor environment. A four-pack helps you stay prepared for seasonal changes without repeated shopping.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWorks with furnaces, air conditioners, and other HVAC systems\u003c\/li\u003e\n\u003cli\u003eFour filters support ongoing protection across several months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance made simple\u003c\/h3\u003e\n\u003cp\u003eFor optimal performance, replace every 90 days. Use the Filtrete Smart App to scan the packaging barcode and set reminders for 30, 60, or 90 days, keeping you on schedule without guesswork.\u003c\/p\u003e\n\u003cp\u003eBrand trust: Filtrete is a widely recognized HVAC filter brand, and this line carries asthma and allergy-friendly certification along with the No. 1 brand status in a 2022 Ipsos study.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size does this Filtrete filter fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Actual size is 17.68 x 19.68 x 0.81 inches; designed for 18x20x1 housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace this filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days for best results; app reminders are available to help you track changes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":53088694042735,"sku":"B005F5D1JC","price":61.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/filtrete-18x20x1-air-filter-packaging.jpg?v=1778675480","url":"https:\/\/taskholt.com\/products\/filtrete-18x20x1-air-filter-merv-11-mpr-1000-allergens-pet-dander-4-pack-actual-size-17-68-x-19-68-x-0-81-in","provider":"TaskHolt","version":"1.0","type":"link"}