Polyphosphate Anti-Scale Filters

SP-PH Series

SpiroPure polyphosphate anti-scale filter cartridges not only help prevent scale, but also assist in preventing corrosion in plumbing pipes, fixtures, and appliances. Food-grade, slow dissolving clear polyphosphate beads can also help reduce previously formed scale built-up in plumbing where water is consistently flowing, such as in pipes and water heaters. Salt-free filter cartridges are practically maintenance free with no need to purchase salts, no regeneration cycles, and no harmful wastewater. Simply replace the cartridge every 6-12 months.
  • Made with food-grade slow dissolving clear polyphosphate beads

  • Inhibits the formation of scale deposits and rust from forming in pipes and on fixtures

  • Creates a protective coating to help protect against acidity, alkalinity, hardness, chloride, and other causes of corrosion and hardwater

  • Polyphosphate dissolves metals and sequesters them (suspends them within in the water) to prevent unwanted discoloration and staining, such as from iron, manganese, calcium, aragonite, and magnesium in water

  • Does not require messy sodiums, timely regeneration cycles, and does not produce harmful wastewater

  • Replace filter every 6-12 months for best results

  • Cartridges have a temperature rating of 40°F to 125°F

Filter Details Chart
Size Model Number Temperature Rating Case Dimensions Case Weight
2.5" x 10" SP-PH-10 40°F - 125°F (4°C - 52°C) 13” x 10 1/2” x 10” 27 lbs
2.5" x 20" SP-PH-20 40°F - 125°F (4°C - 52°C) 21” x 10” x 7” 32 lbs
4.5" x 10" SP-PH-BB 40°F - 125°F (4°C - 52°C) 15” x 11” x 10 1/4” 29 lbs
4.5" x 20" SP-PH-20BB 40°F - 125°F (4°C - 52°C) 21” x 10 1/4” x 10 1/4” 43 lbs
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