Replacement Furnace Air Filter, Merv 11, Clean Air Dust, Model Number 310. Are you bothered by the amount of dust and other particles in the air and on the furniture in your home? The Aprilaire 310 Clean Air Filter is the perfect addition to your clean home tool kit. The Aprilaire 310 Clean Air Filter traps airborne dust as it circulates through the filter ? reducing your cleaning time and frequency and allowing you to enjoy your clean home even more. The Aprilarie 310 Clean Air Filter is rated MERV 11 which means it traps airborne impurities as they pass through the filter that would otherwise float through the air and eventually settle on your furniture and flooring. Your HVAC system is protected from airborne particles too, which helps lower your energy costs, and can prolong the life of your equipment. Genuine Aprilaire filters are specifically engineered to work with your Aprilaire air cleaner. They are effective for 6-12 months compared to the traditional 1-3 month filter, saving you time and money. Our 4-inch filters provide more filter area for harmful particles to be captured compared to the traditional 1-inch filters. Aprilaire's patented self-seal technology assures no air will pass by unfiltered, keeping your home clean and HVAC system operating at peak performance. Note: MERV is a scale used to measure the effectiveness of air filters. Higher number values translate to more effective filtration. Choose the Aprilaire Filter with the MERV rating that fits the needs of your family and home. *Performance tested to ASHRAE 52.2 Standard, minimum efficiency reporting value ? MERV 11 Product Features BUY WITH CONFIDENCE This genuine Aprilaire 310 replacement air filter was designed and manufactured in the U.S.A. by Aprilaire ? the leader in indoor air quality solutions to optimize the performance of your Aprilaire Air Purifier Model: 1310, 2310, 3310, 4300 VACUUM AND DUST LESS OFTEN by preventing airborne particles from settling on your furniture and flooring. This Aprilaire 310 replacement air filter removes airborne particles as they pass through the MERV 11 filter including dust, pollen, mold, spores, bacteria, and pet dander BETTER PERFORMANCE thanks to the patented Aprilaire Self-Seal Technology which minimizes the amount of air bypassing the filter EASY AS 1-2-3 TO INSTALL in the unique Aprilaire Interlock Rail System. Unpack. Slide in. Close the door. Done. PROUD PARTNER OF AMERICAN LUNG ASSOCIATION Aprilaire?s mission is to enhance everyone?s health by improving the air in their homes Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!