Filtrete 20X20X1 Ac Furnace Air Filter,, Actual Size 19.719 X 19.719 X 0.84 In Product Details Filtrete 20x20x1 MPR 1000 Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Designed with exclusive Filtrete 3-in-1 technology, including an MPR 1000 and MERV 11 rating, your AC filter will help pull and capture countless microparticles ? such as pet dander, smoke and smog ? while letting cleaner air flow through. Your Filtrete Filter will also capture large particles, including lint, pollen, mold spores and household dust. Use a 3-month pleated 1-inch home HVAC filter in your furnace, air conditioner or HVAC system. Two come in a pack, so keep one filter as backup, or use both in multiple areas. For optimal performance of your heating and cooling system or HVAC system, change your furnace filter at least every 90 days. (1) Based on the 2022 Ipsos US Brand Health Study of Residential HVAC Air Filters. MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 3-month pleated 1? Filtrete 20x20x1 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter?s exact dimensions are 19.69 x 19.69 x 0.81 EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through COUNTLESS PARTICLES: With a 1000 MPR and MERV 11 rating, your air filter will help capture many microparticles from the air passing through it VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days SUBSCRIBE AND SAVE: On your first order, simply click on Subscribe and Save" to set up your delivery schedule and save up to 10% on your orders Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.