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Furnace Filters
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.
3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 20x24x1
Price $36.99 List Price Price $52.99 Save 30%
3M Filtrete 1500 Ultra Allergen Reduction Air Filter - 25x25x1
Price $41.99 List Price Price $59.99 Save 30%
3M Filtrete 1550 Allergen Reduction Air Filters - 16x25x4
Price $63.99 List Price Price $90.99 Save 29%Free Shipping
3M Filtrete 600 Dust & Pollen Reduction Air Filter - 20x25x1
Price $35.99 List Price Price $50.99 Save 29%
3M Filtrete 2200 Elite Allergen & Home Pollutants Air Filter - 20x25x1
Price $52.99 List Price Price $75.99 Save 30%
3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 14x24x1
Price $34.99 List Price Price $49.99 Save 30%
3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 14x25x1
Price $37.99 List Price Price $53.99 Save 29%
3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 14x30x1
Price $39.99 List Price Price $56.99 Save 29%
3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 15x20x1
Price $28.99 List Price Price $40.99 Save 29%
3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 20x20x1
Price $37.99 List Price Price $53.99 Save 29%
3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 20x30x1
Price $38.99 List Price Price $55.99 Save 30%
3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 24x24x1
Price $41.99 List Price Price $59.99 Save 30%
