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Accessories Pumps Powerheads Chemicals Deionization Filters Specialty Filters Media Reactor Skimmer CO2 Filter Fittings Housings & Brackets Meters & Controllers RO Membranes RO Systems RO/DI Systems Storage Tanks Tubing Refractometers

BFS-67 Color changing mixed bed DI cartridge, 10 x 2.5, refillable - $18.00 This mixed bed deionization resin cartridge is refillable, and comes filled with nuclear grade resin that changes color as it exhausts. Fits standard 10" housings. BFS-531 Color changing mixed bed DI cartridge, 20 x 2.5, refillable - $29.60 This mixed bed deionization resin cartridge is refillable, and comes filled with nuclear grade resin that changes color as it exhausts. Fits housings that take 20 inch x 2.5 inch cartridges. BFS-532 Color changing mixed bed DI cartridge, 10 x 4.5, refillable - $38.55 This mixed bed deionization resin cartridge is refillable, and comes filled with nuclear grade resin that changes color as it exhausts. Fits housings that take 10 inch x 4.5 inch cartridges. BFS-533 Color changing mixed bed DI cartridge, 20 x 4.5, refillable - $65.35 This mixed bed deionization resin cartridge is refillable, and comes filled with nuclear grade resin that changes color as it exhausts. Fits housings that take 20 inch x 4.5 inch cartridges. BFS-70 Color changing mixed bed DI resin refill, 1.25 lbs. - $12.00 Save money with this bulk 1.25 lb. refill of nuclear grade resin - for use with refillable cartridge. Enough resin for a single refill of a 10-inch x 2.5-inch cartridge. BFS-171 Bulk mixed bed color-changing DI resin refill, 5 lbs. - $38.99 5 lbs of color-changing resin

Accessories Pumps Powerheads Chemicals Deionization Filters Specialty Filters Media Reactor Skimmer CO2 Filter Fittings Housings & Brackets Meters & Controllers RO Membranes RO Systems RO/DI Systems Storage Tanks Tubing Refractometers Value Series Premium Series Drinking water kit Residential Series Auto Shut Off Valves Faucets Float Valves Flow Restrictors Flush Kits Pressure Gauges Other Add-on DI kits, standard -size Add-on DI kits, jumbo Ammonia-Trap Cartridge Silica-Trap Cartridge DI resin, color changing DI resin, non-color changing Cation Resin Anion Resin Filter kits Sediment Carbon/GAC Refillable Cartridges Supply Fittings Valves Tees Elbows Straight/Males Straight/Females Bulkheads Nipples Barb Fittings Other/Miscellaneous Handheld Meters In-line Meters Controllers Accessories Residential Membranes 2.0 to 2.5 Inch Membranes 4 to 6 Inch Membranes 8 Inch Membranes Peristaltic Dosing Pump 1/4 Inch 3/8 Inch 1/2 Inch Value Series Premium Series Reef/Residential RO/DI System Chloramine Special Flouride Removal pH Boost Chlorine/Metals/Scale Removal Well Water Buddy Nitrate Removal Scale Prevention