{"product_id":"filtrete-12x36x1-ac-furnace-air-filter-merv-11-micro-allergen","title":"Filtrete 12x36x1 AC Furnace Air Filter MERV 11 - Micro Allergen","description":"\u003cp\u003eIn this review the Filtrete 12x36x1 AC Furnace Air Filter (MERV 11, MPR 1000) is assessed for everyday residential HVAC use; it is best for households that want noticeably cleaner air without upgrading to thick bank filters. The bottom line: this 1 in pleated electrostatic filter uses Filtrete 3-in-1 technology to capture a range of particles from lint and pollen to pet dander and some smoke, so families seeking improved indoor air quality and routine 90-day maintenance will find clear value here.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 filtration:\u003c\/strong\u003e The filter's MERV 11 (MPR 1000) rating captures a wide range of microparticles such as pollen, pet dander and smoke while still allowing good airflow for most residential systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 Filtrete technology:\u003c\/strong\u003e Designed to attract and capture both large and small particles so regular household dust and fine allergens are reduced.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated 1 in design:\u003c\/strong\u003e The pleated construction increases surface area compared with flat fiberglass filters, extending usable life within the recommended 90-day interval.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic performance:\u003c\/strong\u003e The filter's electrostatic properties help pull in smaller particles that ordinary non-electrostatic filters miss, improving perceived air cleanliness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy replacement cycle:\u003c\/strong\u003e Intended for a three-month change interval in typical homes, and compatible with the Filtrete Smart app change countdown for timely reminders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidential fit:\u003c\/strong\u003e Sized to the nominal 12x36x1 but actual dimensions are approximately 11.69x35.69x0.81 in for more accurate installation planning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Filtrete MPR 1000 filter is aimed at homeowners and renters with forced-air furnaces, air conditioners or HVAC systems who want better-than-basic filtration without moving to bulky 4 in or 5 in filters. It is a practical choice for households with pets, seasonal pollen issues, or light smoke exposure where capturing microparticles like pet dander and smoke matters.\u003c\/p\u003e\n\u003cp\u003eThose who need hospital-grade filtration or have severe respiratory conditions should consider higher-MERV or thicker deep-pleat filters. Also check your furnace or HVAC manufacturer's guidelines before using a higher-MERV 1 in filter in older systems that may be sensitive to reduced airflow.\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\u003eGood balance of filtration and airflow due to the pleated 1 in design and MERV 11 rating.\u003c\/li\u003e\n\u003cli\u003eCaptures a variety of particles from lint and pollen to pet dander and some smoke, improving indoor air quality.\u003c\/li\u003e\n\u003cli\u003eIncludes Filtrete 3-in-1 electrostatic technology and works with the app countdown for timely replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFit is mixed for some users; actual dimensions are slightly smaller than nominal and a few buyers report sizing or fit issues.\u003c\/li\u003e\n\u003cli\u003eDurability can vary with usage conditions; some customers report needing to change filters sooner than the suggested 90 days in heavy-use situations.\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\u003eModel rating\u003c\/td\u003e\n\u003ctd\u003eMPR 1000 \/ MERV 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal size\u003c\/td\u003e\n\u003ctd\u003e12x36x1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e11.69x35.69x0.81 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e6 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended change interval\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days for 1 in filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended use\u003c\/td\u003e\n\u003ctd\u003eResidential furnace, air conditioner, HVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filtrete 12x36x1 MPR 1000 is a sensible, cost-effective upgrade over basic fiberglass filters for most homes, delivering tangible improvements in particle capture without severely restricting airflow. It is good value for households with pets or allergy concerns who will stick to the recommended 90-day replacement and want the convenience of app reminders.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I change this filter?\u003c\/strong\u003e\u003cbr\u003eChange this 1 in pleated filter at least every 90 days under normal residential use; change sooner in high dust, pet or smoke conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my system if the nominal size is 12x36x1?\u003c\/strong\u003e\u003cbr\u003eCheck actual dimensions (11.69x35.69x0.81 in) against your filter slot; some users report tight or loose fits, so verify before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it capture small particles like smoke and pet dander?\u003c\/strong\u003e\u003cbr\u003eYes, the MPR 1000 \/ MERV 11 rating and Filtrete 3-in-1 electrostatic design help attract and capture microparticles including smoke and pet dander.\u003c\/p\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":48744716173531,"sku":"B07FP5X3K3","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71inIjwjgJL._AC_SL1280.jpg?v=1778795274","url":"https:\/\/gearmusthave.com\/products\/filtrete-12x36x1-ac-furnace-air-filter-merv-11-micro-allergen","provider":"GearMustHave","version":"1.0","type":"link"}