FRP vessel FRP tank water treatment accessories Feature:1. Make from fiberglass reinforced plastic composite material and 100% corrosion resistant.2. Light,easy for transportation3. 7''-21'' in diameter,the liner of the tank is made from ABS material with blow molding technology,epoxy resin and fiberglass filament wingding,beautiful and durable. specificationvolumeopeningLALBLCXO. ...