Filterbuy 16X20X4 Air Filter Merv 11, Actual Size: 15.50 X 19.50 X 3.63 Inches Product Details 16x20x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15.50" x 19.50" x 3.63") MERV 11 synthetic media (comparable with MPR 1000 - 1200 FPR 7) protects homes from pets, allergies, and more by trapping 95% of airborne particles without impacting air flow Electrostatically charged, pleated filters capture more harmful particles, last 3x longer than fiberglass models, and are 100% manufactured within the United States Industrial grade beverage board (recyclable) frames with dual wire backings improve structural integrity and outperform standard cardboard designs If you receive items with a different label, frame, or media than what is pictured, please note that any such alteration is purely cosmetic and your filter will still function exactly as described 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.