Accumulair Diamond 19x23x1 MERV 13 HVAC Air Filter (4-Pack) | Replacement Air Filter for AC and Furnace | Made in USA | Actual Size 19.0 x 23.0 x 0.75

CLEANER INDOOR AIR: 4-pack of MERV 13 Accumulair Diamond air filters. Designed to help trap unwanted particles in your indoor air and reduce odors. LASTS UP TO 90 DAYS: To maintain optimal filtration performance, check your home air filter every 60-90 days. Regularly replacing air filters helps to keep your HVAC unit running efficiently and can help reduce energy usage. PROUDLY MADE IN THE USA: Each air filter is manufactured and assembled here in the USA.