20x25x5 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 19.63 x 24.75 x 4.31 in)

Slightly different from the nominal size, this air filter's precise measurements are 19.63 in x 24.75 in x 4.31 in. This item is a 2-pack of 12-month air filters. Specifically engineered for Lennox brand media air cleaners. The 1000 MPR + MERV 11 rating assists in capturing up to 2X more microparticles than MERV alone. Constructed with exclusive 3-in-1 technology to draw in and trap unwanted particles, permitting cleaner air to circulate. This furnace filter is certified asthma and allergy-friendly and aids in capturing dust, lint, and other allergens in your household air.

For best results, ensure to replace your 4-inch filter at least once every 12 months. Utilize the smart app (iOS or Android) to set 90-, 180-, or 365-day reminders to change your air filter