Designed for commercial and residential use, Koch Filter’s pleated filter products are ideal for maintaining optimal indoor air quality.
Cash might not be the only thing you'll save, changing your Air Filters helps prevent early furnace failure.
Easy Sign-up, Stop standing at the store wondering what size air filter you have.
Each delivery acts as a reminder that it’s time to replace your filter.
We ship you the filters at the interval you choose, and you never have to make multiple trips to the store for air filters
Shipped Free, Every Time, Automatically
Custom Sizes Available Even 4” Depth Air Filters
Here's The Skinny
Select Your Filters
You decide what level of filtration and airflow is best for your home and family. We have a variety of standard or custom sizes.
Free Delivery
Do you need a new filter every month? Every 90 days?
The frequency is up to you!
Install Filters
It’s simple to replace your old filter, and you will be breathing cleaner, healthier air.
A Reminder
Each delivery acts as a reminder that it’s time to replace your old filter.
air filters delivered