20X20X1 Air Filter, Electrostatic Air Filter Washable Reusable, Ac Furnace Product Details ?Effective Filtering? The electrostatic air filter consists of a 5-layer washable mesh material designed to trap contaminants using static force. This allows clean filtered air to pass through and the other side leaving pollen, debris, pet dander, and dust behind. ?Sustainable Choice? Our reusable air filters ensure cost effectiveness, removing the need to purchase new filters regularly and keeping the environmental impact low. ?Easy Installation? QokTen Air filter has a variety of sizes that cover a broad range of HVAC, AC, and furnace uses. This washable air filter includes a simple and comprehensive manual guide, making installation a breeze. ?Improve Cost Efficiency?Our air filter's dynamic design allows for a less restrictive airflow, allowing you to save more on your energy costs and extend the service life of your unit! ?Filter Maintenance Steps? Remove the dirty filters from the system. Wet the washable filter and spray detergent, and wait for about 20 minutes. Rinse thoroughly with water and let it dry. 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.