10X10X1 Air Filter (4-Pack) Merv 8 Mpr, Exact Dimensions: 9.81X9.81X0.81 Inches Product Details 10x10x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (Exact Dimensions: 9.81x9.81x0.81). MERV 8 HIGH-EFFICIENCY FILTRATION synthetic media (comparable with MPR 600 FPR 5) protects homes from dust by trapping 90% of airborne particles without impacting air flow. Adopt advanced pleated technology to expand air coverage to improve capture capacity, combined with a sturdy frame ensuring a stable structure for optimal efficiency and low resistance to airflow. The furnace air filter can be installed in minutes without the use of any tools. Each inner filter is recommended to be changed every 3 months or sooner for optimal performance. 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.