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Structural Poly Glass™ Pressure Vessels



Water TreatmentStructural Poly Glass&trade TanksStructuralNSF

Click here for a PDF showing all residential sizes and specs on Poly Glass™ pressure vessels.


Prices shown are wholesale prices offered to Dealers, Distributors & OEM's.
H2O Filter Warehouse does sell to end users.

Structural® Poly Glass™ Tanks
Part Number Size (Inches) Color Opening Cubic Feet
PG635-N 6 × 35 Natural 2.5" 0.51

Part Number Size (Inches) Color Opening Cubic Feet
PG948-BLK 9 × 48 Black 2.5" 1.6
PG1040-BLK 10 × 40 Black 2.5" 1.54
PG1044-BLK 10 × 44 Black 2.5" 1.8
PG1044-AL-NDH-A 10 × 44 Almond 2.5" with Dome Hole 1.8
PG1054-BLK 10 × 54 Black 2.5" 2.2
PG1054-N-DH-C 10 × 54 Natural 2.5" with Dome Hole 2.2

Part Number Size (Inches) Color Opening Cubic Feet
PG1252-BLK 12 × 52 Black 2.5" 2.97
PG1354-BLK 13 × 54 Black 2.5" 3.6
PG1354-AL-NDH-C 13 × 54 Black 2.5" with Dome Hole 3.6

Part Number Size (Inches) Color Opening Cubic Feet
PG1465-4-BLK 14 × 65 Black 4.0" 5.1
PG1665-4-BLK 16 × 65 Black 4.0" 6.6
CT1865-BLK 18 × 65 Black 4.0" 8.3
CT2162-BLK 21 × 62 Black 4.0" 8.56
CT2472-BLK 24 × 72 Black 4.0" 15.9


Pentair Water Softeners are now in Stock



The highest quality pressure vessel for residential and light commercial water softener/filtration applications. Structural Poly Glass™ pressure vessels provide years of reliable service for water softener and water filtration applications. These slim-diameter tanks hold up to 49 gallons of water and offer unmatched strength and chemical resistance.

All Poly Glass™ residential tanks are backed by an exclusive 10-year warranty.

Structural's patented manufacturing process creates a seamless polyethylene shell that is wound continuously with miles of fiberglass reinforcements and sealed with epoxy resin. Computer-aided winding machines and other customized equipment are used to create a product that offers outstanding performance and durability.

Structural pressure vessels provide cost-effective solutions for the most challenging applications. Using the latest technologies, Structural critically evaluates every design detail to ensure their products meet or exceed ISO, AMSE, NSF, & other agency standards.