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Replacement Filter Cartridges

If you find your water flow rate slowing down it's a sign you need to replace your filter cartridges. Tier1 offers an assortment of replacement cartridges coming in all standard sizes to fit any housing system you have installed. Replacement cartridges and kits help ensure that your system is up and running at top performance and reducing the unwanted contaminants that find their way into your water. Used in a variety of applications ranging from pre-filtration to single system protection, our filters are tested to reduce contaminants that would cause harm to your home and health. Ensure your filters are performing optimally with Tier1 and let us protect every drop.
Iron and Lead Reducing Tier1 Whole House Replacement Water Filter
Fits 20 x 4.5 inch Big Blue filter housings.Price $63.99 List Price Price $90.99 Save 29%Free ShippingIron and Manganese Reducing Tier1 Replacement Water Filter
Fits 20 x 4.5 inch Big Blue filter housingsPrice $48.99 List Price Price $69.99 Save 30%Free Shipping10 Micron Tier1 Carbon and Anti-Scale Water Softening Replacement Cartridge
Fits most standard 20-inch slim filter housingsPrice $27.99 List Price Price $39.99 Save 30%1 Micron Tier1 Carbon and Polyphosphate Water Softening Replacement Cartridge
Fits most standard 20-inch slim filter housingsPrice $19.99 List Price Price $28.99 Save 31%5 Micron Tier1 Carbon and Polyphosphate Whole House Softening Replacement Cartridge
Fits most standard 20 inch slim filter housingsPrice $17.99 List Price Price $25.99 Save 30%RFC-93 Pentek Comparable Tier1 Replacement Water Filter
Fits most 10 x 2 1/2 inch filter housingsPrice $16.99 List Price Price $23.99 Save 29%P1 Pentek Comparable Whole House Sediment Water Filter by Tier1
Fits most standard 10 x 2.5-inch housingsPrice $4.99 List Price Price $6.99 Save 28%C1 Pentek Comparable Tier1 Carbon Block Water Filter
Fits into most industry standard 10-inch water filtration system housingsPrice $10.99 List Price Price $15.99 Save 31%DGD-5005-20 Pentek Comparable Tier1 Whole House Filter Replacement Cartridge
Fits filtration system housings that accept 20 x 4.5 inch cartridgesPrice $22.99 List Price Price $32.99 Save 30%RFC-20BB Whole House Filter Comparable Tier1 Replacement Cartridge
Fits most 20X4.5 housingsPrice $36.99 List Price Price $52.99 Save 30%Free Shipping20 inch x 4.5 inch Tier1 Whole House Pleated Polyester Water Filter (5 Micron)
Fits most 20 x 5-inch filter housingsPrice $25.99 List Price Price $36.99 Save 29%PD-25-934 Pentek Comparable Tier1 Whole House Water Filter
Fits most 10 x 2.5-inch filter housingsPrice $6.99 List Price Price $9.99 Save 30%