12X12X1 Furnace Air Filters 6 Pack,, Exact Dimensions: 11 3/4"X 11 3/4"X3/4" Product Details 12x12x1 Air Filter: Designed for your furnace, air conditioner, heat pump, or HVAC system (actual size: 11 3/4"x11 3/4"x3/4"). MERV 11 AC Furnace Air Filter: Equivalently to MPR 1000 FPR 7, it equipped with greater filtering coverage to filter more unwanted air particles, which provide up to 3 months of elastic filtration, dust and lint leaving only clean Air. Easy to Install: Only few seconds to quickly and simply install. Detail steps: turn off your stove- slide the Jaseng filter replacement into the air filter-finished the installation. Exclusive Durable Designed: This air filters 12x12x1 features an electrostatically charged and pleated design with high quality pleated construction, which able to absorb more dirty particles and prolongs the products lifespan by 2 times compare with other brand air filter. Healthy life tips: JASENG highly recommend our customer to replace the filter every 90 days to keep great air condition and optimum performance of your HVAC system's heating and cooling system. 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.