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Ships within 48 hours · Estimated delivery Oct 1 - Oct 6
remove old cartridge
Pura UV Replacement Lamp Bulb #20 for Addon-3
⚙️ Low Pressure Drop
🔧 Replace the carbon block cartridge every 6-12 months depending on water quality and usage
Pentek - WS-20BB - 20" x 4.5" Water Softening Resin Filter 20 inch x 4.5 inch Big Blue Filters2677 remove old cartridgePentek Water Softening WS 20BB 20" x 4. 5" Softening Resin Cartridge Sodium form cation exchange resin in a drop in cartridge for point of use water softening 4,500 Grain Capacity 20" x 4. 5" Big Blue Reduces Scale 2. 0 GPM Flow The Pentek WS 20BB delivers water softening in a standard cartridge format, eliminating the need for a full softener tank. Sodium form cation exchange resin captures hardness minerals like calcium and magnesium, reducing scale
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