Filtrete 16X25X4(Slimfit), Ac Furnace Air, Exact Dimensions 15.5 X 24.5 X 3.75 Product Details Filtrete 16x25x4 MPR 1550 Air Filter, made by 3M, helps capture unwanted particles and allergens from your household air to contribute to a clean home environment. Designed with exclusive Filtrete 3-in-1 technology, including a high MPR 1550 and MERV 12 rating, your AC filter will help pull and capture countless microparticles ? such as pet dander, smoke and smog ? while letting cleaner air flow through. This air filter captures up to 54% of small particles (1), like bacteria and particles that carry viruses, to help make your air cleaner. Your Filtrete Filter will also capture large particles, including lint, pollen and household dust. This filter is CERTIFIED asthma and allergy-friendly (2). Use a 12-month deep-pleated 4-inch home HVAC filter in your compatible furnace, air conditioner or HVAC system. Four come in a pack, so keep some for backup, or use them in many areas. For optimal performance of your HVAC system, change your 4-inch furnace filter at least every 12 months. (1) % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing. (2) As outlined in report ASCR: 1246-01. (3) Based on the 2022 Ipsos US Brand Health Study of Residential HVAC Air Filters. MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 12-month deep-pleated 4? Filtrete 16x25x4 MPR 1550 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 15.88 x 24.56 x 3.7 EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through COUNTLESS MICROPARTICLES: With a 1550 MPR and MERV 12 rating, as well as a 54% small particle capture rate (1), your Filtrete Filter will help capture many microparticles from the air passing through it CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air VERSATILE USES: Works for changing any air filter in your furnace, air conditioner/heating system or HVAC system; for optimal performance, 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.