The difference between my filters and other filters is the customer service that comes with them.
View Testimonials >

The difference between my filters and other filters is the customer service that comes with them.
View Testimonials >
Right filter. Right size. Right count. Right away.
Cottonwood’s a comin’
High Efficiency Filters
HVAC FILTERS AND COVID
FOR INDUSTRIAL AND COMMERCIAL HVAC SYSTEMS
What You Need to KnowUpdated Feb 2022
Get the Right Air Filtration

AIR FILTERS
Our selection of HVAC air filters is second to none.
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CUSTOM FILTERS
Custom Air Filters since 1945. Problem? Call Matt!
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KITCHEN GREASE FILTERS
Baffle Grease Filters maximize grease extraction and block flames, while maximizing airflow.
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HVAC FILTERS
HVAC filters, when regularly maintained, extend equipment life, lower energy use and clean the air.
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PLEATED FILTERS
Pleats are the single most popular HVAC air filter in the world. Our selection is second to none.
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ALUMINUM MESH FILTERS
Aluminum Mesh Filters: polymer and fiber production, aerospace, paper, economizers, etc.
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REPLACEMENT FILTERS
We have a great stock of all types of filters for commercial, industrial and residential use.
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CARBON FILTERS
Carbotron Pleat Filters use activated carbon to filter cigarette smoke, cooking odors, etc.
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We also have MERV 13-16, Magna, VP, Puracell, 2 paks, Bag Filters, etc.

“Order it yesterday, get it today in Minnesota, Wisconsin, Illinois, Iowa, Nebraska, South Dakota and North Dakota.” — Kim & Jennie

“Need On-Site Services? We provide HVAC Air Filter Maintenance and Grease Filter Service for the Greater Twin Cities and Western Wisconsin.” – Tony, Co-Owner

70 YEARS of the highest-quality service — Family owned and run since 1948.

“Sometimes I think people call Kim and Jennie just because they miss talking to Kim and Jennie.”
—Matt
See What Our Customers Are Saying!
“We had a company that had a lot of oil in the air – the standard filters were letting the oil through. TCFS suggested other filters, and they worked.”
See what we can do for:
- Facility Managers!
- HVAC Contractors!
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