genuine PA-E RO-132 RO water pressure tank with FREE pressure gauge white color genuine PAE RO-132 pressure tank with FREE pressure gauge for 1/4" tubing Best tank in the market, designed to last 5+ years, FDA approved bladder, no smell, no odor Buy from Koolermax and Wholesale Water Filter Parts to get real PAE tanks, pressure tank for RO reverse osmosis water systems, for 1/4" OD tubing 4 gallons outside volume and holds about 3.2 gallons of water, pre-charge to 5 to 7 psi come with tank, tand stand, 1/4" tank valve, tee fitting, pressure gauge, tubing