Water Softening Filters
Ideal Cartridge to Install Pre-RO to Lower Hardness
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US Water Big Blue Softening Resin Cartridge 4.5" x 20" | USWF-4520-SF
4.5" x 20" Big Blue Replacement Softening Cartridge For Hardness Reduction Ideal Cartridge to Install Pre-RO to Lower Hardness 6,200 Grains Capacity 3 GPM Design flow rate Fits Most 4.5” x 20” Big Blue Filter Housings Temperature Range - 40°F (5°C) to 100°F (38°C)...- $54.95
$100.01- $54.95
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US Water Softening Resin Cartridge 2.5" x 9.75" | USWF-2510-
2.5" x 9.75" Softening Cartridge For Hardness Reduction Ideal Cartridge to Install Pre-RO to Lower Hardness 1,100 Grains Capacity 1 GPM Design flow rate Fits Most 2.5” x 9.75” Filter Housings Temperature Range - 40°F (5°C) to 100°F (38°C) Pressure Range - 20 PSI...- $19.95
$36.31- $19.95
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US Water Big Blue Softening Resin Cartridge 4.5" x 9.75" | U
4.5" x 9.75" Replacement Softening Cartridge For Hardness Reduction Fits Ametek, Pentek, Watts, Flowmatic, Liquatec, Harmsco and most other 4.5" x 10" Housings Ideal Cartridge to Install Pre-RO to Lower Hardness 2,800 Grains Capacity 2 GPM Design flow rate Fits Most 4.5” x 9.75”...- $43.95
$79.99- $43.95
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US Water Softening Resin Cartridge 2.5" x 20" | USWF-2520-SF
2-1/2" x 20" Softening Cartridge For Hardness Reduction Ideal Cartridge to Install Pre-RO to Lower Hardness 2,500 Grains Capacity 1 GPM Design flow rate Fits Most 2.5” x 20” Filter Housings Temperature Range - 40°F (5°C) to 100°F (38°C) Pressure Range - 20 PSI...- $30.95
$56.33- $30.95
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