General Treatment Products is proud to introduce our new double containment tank line. Our new design features a true 150% containment, visual/level leak detection port, mixer pad and inlayed pump mount with suction tube containment. Tanks now available in 18, 35, 65, 120 and 220 gallon primary tank capacities, and will be available soon in versions up to 500 gallons. Tanks come standard with one 2" bung fitting on primary tank and one on containment tank.