{"product_id":"filtrete-17-5x23-5x1-ac-furnace-air-filter-merv-11-4-pack","title":"Filtrete 17.5x23.5x1 AC Furnace Air Filter MERV 11 - 4 Pack","description":"\u003cp\u003eIn this review of the Filtrete 17.5x23.5x1 AC Furnace Air Filter, the bottom line is clear: this 4-pack is best for households that want reliable, every-season particulate reduction without fuss. The reviewer found the MPR 1000 \/ \u003cstrong\u003eMERV 11\u003c\/strong\u003e rating effective at capturing a wide range of particles while maintaining airflow, and the 3-month pleated 1-in filter life makes maintenance predictable. It is a practical choice for furnace, air conditioner and HVAC use when allergy reduction and consistent performance are the priority.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 technology:\u003c\/strong\u003e The filter uses Filtrete's layered design to pull in and trap microparticles so cleaner air passes through your HVAC system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPR 1000 rating:\u003c\/strong\u003e Helps capture a broad mix of microparticles such as pet dander, smoke and smog for noticeable reduction in household airborne irritants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 performance:\u003c\/strong\u003e Balances particle capture with maintained airflow so the heating and cooling system continues to run efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified asthma and allergy-friendly:\u003c\/strong\u003e Independently certified to help capture dust, lint and other allergens that matter to sensitive households.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-month replacement cycle:\u003c\/strong\u003e The pleated 1-in design is intended for roughly 90-day use, and the Filtrete Smart App can remind you when it is time to change filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filter pack is well suited for families with pets, light smokers, or anyone who wants to reduce pollen, lint and household dust without upgrading to a thicker specialty filter. It fits standard 1-in return slots and is useful for routine HVAC maintenance when a balance of filtration and airflow is needed.\u003c\/p\u003e\n\u003cp\u003eThose who require medical-grade filtration or ultra-fine particulate removal for severe air quality issues should consider higher-rated or thicker filters. Also, if a system manufacturer specifically requires a different filter thickness or rating, follow those requirements before choosing this 1-in option.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCaptures a wide range of particles thanks to the combination of \u003cstrong\u003eMPR 1000\u003c\/strong\u003e and \u003cstrong\u003eMERV 11\u003c\/strong\u003e ratings.\u003c\/li\u003e\n\u003cli\u003eEasy to install and replace, with a predictable 3-month change interval that many users appreciate.\u003c\/li\u003e\n\u003cli\u003eCertified asthma and allergy-friendly, offering tangible benefit for allergy-prone households.\u003c\/li\u003e\n\u003cli\u003eSold as a 4-pack, which provides value and reduces the need for frequent repurchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report the pleated material can be delicate and may tear if handled roughly during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFiltrete\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e17.19x23.19x0.81 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e4 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter rating\u003c\/td\u003e\n\u003ctd\u003eMPR 1000, MERV 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e1-in pleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended life\u003c\/td\u003e\n\u003ctd\u003eApprox 90 days per filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filtrete 17.5x23.5x1 4-pack is a sensible choice for most homes looking to reduce common allergens and microparticles without compromising airflow. It offers reliable \u003cstrong\u003eparticle capture\u003c\/strong\u003e, easy replacement reminders via the Filtrete Smart App, and good value for routine HVAC maintenance.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I change these filters?\u003c\/strong\u003e\u003cbr\u003eChange each filter at least once every 90 days for optimal performance, or sooner if your household has higher pollutant loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my furnace or AC?\u003c\/strong\u003e\u003cbr\u003eThe filters are sized for standard 1-in slots; the actual dimensions are 17.19x23.19x0.81 in so verify your filter slot before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this help with allergies?\u003c\/strong\u003e\u003cbr\u003eYes, the filter is certified asthma and allergy-friendly and its MPR 1000 \/ MERV 11 ratings help capture common allergens like pollen, pet dander and dust.\u003c\/p\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":48253201383643,"sku":"B001ETX3B4","price":43.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71wqVbrCz2L._AC_SL1280.jpg?v=1776381754","url":"https:\/\/gearmusthave.com\/products\/filtrete-17-5x23-5x1-ac-furnace-air-filter-merv-11-4-pack","provider":"GearMustHave","version":"1.0","type":"link"}