FRP pressure vessel to suit 2.5" x 40" brackish water and seawater membranes. 1000 PSI working pressure. ID = 2.5"; OD = 2.85"; LOA = 42". 1/4 inch NPTF end entry ports. Durable non-corrosive fiberglass housing in white color finish.  Anodized aluminum end plugs and retaining clamps for easy installation. Maximum separation between permeate port and feed/concentrate port allow the use of large fittings. Ethylene propylene FDA approved "O" rings included.