Experience is Excellence

25 Years of Experience

Filter-Monster manufacturers the highest quality of filters on the market which meet or exceed the quality of OEM brands- and we have better prices. 

Superior Savings & Peace of Mind

Subscribe and Save

Save on filters and get them right when you need them with Subscribe and Save- convenience and peace of mind delivered to your front door.

Learn More

Spring is Here- Are You Prepared?

Breathe Better This Spring

As spring arrives, open windows, blooming plants, and rising humidity can stir up pollen and other airborne irritants. If your air is allergy triggering or hard to breathe, we’ve got you covered!

Learn More

Extended Warranty

Use our filters and we'll extend your air purifier warranty by one year.

Fast Delivery

Plus FREE Shipping on Orders Over $49

Live Customer Service

U.S Based, Friendly and knowledgeable staff

Air Quality

Humidity Control

Heating & Cooling

Home Environment

Subscription Products

Engineered to Be Better

Blogs

New Filter-Monster Replacements for Blueair and Aeris Air Purifiers
New Filter-Monster Replacements for Blueair and Aeris Air Purifiers
October 17, 2025

New Filter-Monster Replacements for Blueair and Aeris Air Purifiers

Blue vs. Yellow: What Do Your HVAC Filters Really Say About Your Home?
Blue vs. Yellow: What Do Your HVAC Filters Really Say About Your Home?
September 2, 2025

Blue vs. Yellow: What Do Your HVAC Filters Really Say About Your Home?

Change your HVAC Filter this Fall
Change your HVAC Filter this Fall
July 31, 2025

Change your HVAC Filter this Fall

Breathe Easy This Fall: Why MERV 11 and MERV 13 Filters are more important than ever!
MERV 11 & 13 FILTERS
July 9, 2025

Breathe Easy This Fall: Why MERV 11 and MERV 13 Filters are more important than ever!

MERV 11 & MERV 13 Filters and why I switched to them
MERV 11 & MERV 13 Filters and why I switched to them
June 6, 2025

MERV 11 & MERV 13 Filters and why I switched to them

Beat Spring Allergies with the Right Filters: Breathe Easy This Season
Beat Spring Allergies with the Right Filters: Breathe Easy This Season
March 21, 2025

Beat Spring Allergies with the Right Filters: Breathe Easy This Season

As Featured On