Pressure Vessels

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.