Internal O-Ring PWT Seal for 2.5" Protec Seawater Vessels PRO-2.5-1200-EP-1, PRO-2.5-1200-EP-21

PWT Seal - Internal O-Ring for Protec PRO 2.5-1200-EP Fiberglass Pressure Vessels O-Ring for Membrane Housing Replacement O-Ring Seal for Protec Arisawa seawater membrane housing pressure vessel end caps. This is the "Internal O-ring" which seats between the product water tube on the membrane and the product water port on the inside of the pressure vessel. O-Rings should be replaced each time the membrane elements are replaced, in order to avoid leaking due to seal tearing and cracking. O-Rings are are recommended to be lubricated with DOW Corning 111 High Grade Silicone Lubricant . Protec Part # 6180116-N For Membrane Housings: PRO 2.5-1200-EP-21 PRO 2.5-1200-EP-1 Qty Used per Housing: 4