Detailed Description: Commercial Stainless Steel 4″ x 21″ Membrane Pressure Vessel Housing Membrane Housing Specifications: Commercial Stainless Steel 4″ x 21″ Membrane Pressure Vessel Housing Max Working pressure: 300 psiFeed/concentrate Connection: 3/4″ Feed and Drain Ports (FNPT) 1/2″ Permeate Ports (FNPT)Stainless steel body construction Double O-ring End Port Caps IncludedStainless Clamps, and Stainless Hardware IncludedBrackets Included