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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.
Aprilaire 513 Air Purifier Replacement Filter
Price $96.99 List Price Price $138.99 Save 30%Free ShippingAprilaire 210 Air Purifier Replacement Filter
Price $94.99 List Price Price $135.99 Save 30%Free Shipping16x25x1 Merv 11 Universal Air Filter By Tier1 (6-Pack)
Price $63.99 List Price Price $90.99 Save 29%Free Shipping3M Filtrete 1550 Allergen Reduction Air Filters - 20x25x4
Price $61.99 List Price Price $88.99 Save 30%Free Shipping3M Filtrete 600 Dust & Pollen Reduction Air Filter - 16x20x1
Price $29.99 List Price Price $42.99 Save 30%3M Filtrete 600 Dust & Pollen Reduction Air Filter - 20x20x1
Price $33.99 List Price Price $48.99 Save 30%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 - 14x20x1
Price $38.99 List Price Price $55.99 Save 30%3M Filtrete 2200 Elite Allergen & Home Pollutants Air Filter - 14x25x1
Price $47.99 List Price Price $68.99 Save 30%3M Filtrete 2200 Elite Allergen & Home Pollutants Air Filter - 16x25x1
Price $46.47 List Price Price $65.99 Save 29%3M Filtrete 2200 Elite Allergen & Home Pollutants Air Filter - 20x20x1
Price $41.43 List Price Price $58.99 Save 29%3M Filtrete 2200 Elite Allergen & Home Pollutants Air Filter - 20x30x1
Price $51.99 List Price Price $73.99 Save 29%