All filters are made in the USA  – Order Today


Your filter size

Well you’ve come to the right place!

At Custom Filters Direct we can build any size filter you need

Hundreds of Sizes Available
16x25x1 furnace filters

Commercial & Residential HVAC Air Filters

Are you a property manager looking for custom odd size filters for your commercial building?

We supply hundreds of buildings throughout all major cities. Whether you need a case of custom filters or a truckload we are at your service. Purchase order options are available

Are you one of those homeowners’ who can’t seem to find their filter size in any major retailer?

Thanks to Custom Filters Direct, that problem is solved. You can purchase as little as 4 filters either one time. Interested in a subscription? We offer that too!

Don't Just Take Our Word For It...

Our Satisfied & Happy Customers Say It Best

Cathie F.


I use this website every time I need to order filters for my house. Service is great, & the product is great. We had a very hard time finding our odd sized filter in stores or online.

Olivia Ye


I own and operate a residential rental property business. Changing air filters has been a huge challenge for us in the past. Custom Filters Direct made the entire process for us a breeze 

Aida Buregg


I never knew the importance of an air filter subscription until I actually had my filters delivered on a quarterly basis. Every time I forgot about the filters they show up in the mail! 

Select Your Air Filter Dimensions

We stock a ton of odd sized filters. Maybe your odd size is one of them. Use the dropdowns below to see if if your size is in our database.... if not no worries, use our create a custom air filter tool!

hvac filter 16x25x1