Filtrete High Performance Air Filter, 1550 Mpr, 20 In X 25 In X 5 In Product Details Your home should be your sanctuary, starting with the air you breathe. Filtrete Allergen, Bacteria Virus Air Filters help capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. By proactively capturing dust, bacteria, viruses and allergens, these high performance filters help improve your home?s air quality. Actual filter size is: 19.56 x 24.13 x 4.75 Inch This filter is compatible with TrionAirBear furnaces calling for a 5" filter #1 Recommended Brand* (*Filtrete Brand is the most recommended brand of HVAC Air Filters based on the US Filtrete Brand Health Tracker, Ipsos, June 2022) The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it FOR OPTIMAL PERFORMANCE of your heating cooling system or HVAC system, change your home air filter at least every 12 months for 4 in. and 5 in. filters A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program that works for you! CAPTURES MORE PARTICLES than fiberglass air filters ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog 54% SMALL PARTICLE CAPTURE, like bacteria and particles that carry viruses* (* % 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) MPR 1550 has a rating of MERV 12 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.