Breathe easy for less with air filters from Tier1 and 3M from DiscountFilterStore.com. Tier1 is serious about healthy indoor air and is committed to ensuring that every Tier1 air filter is the highest quality aftermarket filter available. Tier1 air filters are replacement models for top brands like Filtrete, Honeywell, and Lennox but cost a fraction of the price. Made with strict quality standards, every Tier1 filter is thoroughly inspected and rigorously tested to ensure you the best possible product. Guaranteed to fit correctly and perform like the brand names, Tier1 air filters ensure clean air at a great value. 

Old refrigerator filters can cause your water quality to drop, resulting in smelly or contaminated drinking water. When it comes to your home drinking water, be sure that you have pure water to keep you refreshed and hydrated. While you refresh your water, why don't you refresh the air in your fridge as well with our selection of refrigerator air filters. We carry replacement filters from top brands, including Whirlpool, LG, Kenmore, Kitchenaid, and more. 

All your UV water filter needs conveniently in one place.

Interested in learning more about UV filters? Visit our "How Do UV Water Filters Work?" page to learn about the functionality and importance of this powerful filtration system category.

Although UV water purifiers aren’t the most common household water filter systems they are however gaining popularity. As such we’ve expanded our UV water filter offerings to include a wide variety of some of the industry’s best UV water purification systems, replacement parts, and accessories, from some of the industry’s top brands including USWF Water Treatment, Trojan UVMAX™, and Viqua™. Therefore, whether you’re looking for a new UV water purifier system, a germicidal UV lamp, quartz sleeve, or just replacement parts for your UV water filter, Discount Filter Store has you covered.