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Pentair® Structural® Poly Glass™ Black Tank 21quot; × 62" - 8.56 Cu. Ft.

NSF 61 Certified
  21" × 62" Structural PolyGlass™ Replacement Tank.

Structural Poly Glass Vessels have been the industry standard for quality and performance for over 30 years. Featuring a one piece, seamless high density polyethylene liner and an encapsulated, leak free engineered polymer inlet, Structural Poly Glass Vessels are designed to provide you with years of worry free performance.

Product Features

  • Structural Poly Glass™ Tank
  • For residential and light commercial water softener/filtration applications
  • Slim diameter with capacities from 2 to 49 gallons
  • Unmatched for strength and chemical resistance
  • 10-year warranty for 6" - 13" vessels
  • 5-year warranty for 14" - 16" vessels
  • Material of Construction: Inner shell of polyethylene
  • Threaded inlet in various sizes
  • Maximum operating pressure: 150 psi
  • Maximum operating temperature: 120°F
  • Safety factor: 4:1
  • Minimum burst at 600 psi
  • Tested to 250,000 cycles without leakage