Aprilaire 310 20 in. x 20 in. x 4 in. 310 Air Cleaner Filter MERV 11 for Whole-House Air Purifier Models 1310, 2310, 3310, and 4300

The 310 MERV 11 Air Filter helps capture and remove common airborne contaminants and allergy triggers. This replacement air filter is 4 in. thick with a large surface area for capturing pollutants and offering superior filtration to typical 1 in. filters. Filtering out airborne contaminants helps clean the air you breathe and can lower the frequency of cleaning and vacuuming by reducing dust buildup around the house. It also maximizes the lifespan of your heating and cooling systems, which can become inefficient with dust and particle buildup. Patented AprilAire Self-Seal Technology reduces the amount of air bypassing the filter, helping deliver precise filtration of the air circulating in your home. This MERV 11 Air Filter is easy to swap out thanks to the AprilAire Pure Fit Promise and patented Interlock Rail System that lets the filter slide right into place. You can buy with confidence knowing this is a genuine AprilAire Replacement Air Filter made in the USA. Contaminants removed based on air passing through the filtering system; Performance tested to ASHRAE 52.2; Standard, minimum efficiency reporting value - MERV 11.

• Genuine replacement air filter was designed and manufactured in the USA by AprilAire to optimize the performance of your AprilAire whole-house air purifier and improve your indoor air quality
• One filter per package - filter lasts up to 12 months
• Helps prevent airborne particles from settling on your furniture and flooring so you can vacuum and dust less often
• Filters dust, pollen, pet dander, mold spores, and bacteria from the air entering your home
• Includes the AprilAire Pure Fit Promise - this filter is designed to fit your AprilAire equipment exactly - delivering healthier air to your whole home
• Patented AprilAire self-seal technology minimizes the amount of air bypassing the filter to capture and remove maximum contaminants
• Fast, simple Installation - patented AprilAire Interlock Rail System ensures easy filter installation with no assembly or reinforcements needed
• MERV 11
• Fits AprilAire models: 1310, 2310, 3310, 4300, competitive models using AprilAire 4898 upgrade kit
• Illustrated packaging includes detailed air filter replacement instructions
• Proud Partner of the American Lung Association - AprilAire supports the American Lung Association's mission of improving lung health, preventing lung disease, and ensuring Healthy Air for everyone (The American Lung Association does not endorse any product, device, or service.)