Cooling Towers Less Than 400 Ton TweetKit 48-15 Call For Quote Contains 1) 15 gallon drum of WES48 Tower Inhibitor 1) Series R controller/pump combination, conductivity bleed with selectable feedtimer (pulse, %, limit or 28 day) and pump dust cover. Pump rated at 30 GPD @ 110 psi 1) DCT-30 -34 Gallon inner tank with a 40 gallon containment tank