Detailed Product Description FRP Pressure Vessel Housing ItemsSpecificationMaterialColor Option40E30-1W/B4", 300psi,end portFRPWhite/Blue40E30-2W/B4", ... portFRPWhite/Blue80S30-1W/B8",300PSI,Side portFRPWhite/Blue80S30-2W/B8",300PSI,Side portFRPWhite/Blue80S30-3W/B8",300PSI,Side portFRPWhite/Blue80S30-4W/B8",300PSI ...