Product Features: For residential and light commercial reverse osmosis applications A high-performance, high-value choice 100% seamless composite construction Discharges in any position NSF and/or FDA listed materials Meets stringent US requirements for water components Environmentally safe, 100% lead-free Will not introduce chemicals or elements into water Pre-installed inlet-outlet assembly - comes with system connections, saving time and money Factory-backed five-year warranty Materials of Construction: High density polyethylene inner liner Fiberglass-wound and epoxy resin-sealed outer shell Specifications: System Connection: 1" male NPT Height: 56.75" inches Diameter: 16" inches Volume: 40.3 Gallons Water Capacity: 15-22 Gallons @ 40 PSI Weight: 30 Lbs