Air Filters Made in the USA. Free Shipping to the mainland USA.*

What customers are saying

Perfect product; great fit in my furnace

Wayne M.

Odd size 10x18. PERFECT! Sturdy. Nice. Would recommend to anyone. Thank you.

Rosa J.

Smooth transaction -- Very satisfied with purchase -- Highly recommended!

Bill M.

Excellent product, Great Price, and Fast Delivery!

Marilyn B.

Blog posts

What does MERV mean in air filtration? (MERV Chart Included)

What does MERV mean in air filtration? (MERV Chart Included)

MERV stands for Minimum Efficiency Reporting Value. MERV is a rating system developed by ASHRAE (the American Society of Heating, Refrigeration, and Air Conditioning Engineers). The purpose of the MERV system is to
How often should an air filter be changed?

How often should an air filter be changed?

How often you should change your air filter depends on the type of filter, and the environment in which it is used. High activity in the home or bu...