Cooling Tower Tweet<150 Ton & <400 Ton Kit 48-15: $UNKNOWN Contains (1) 5 gallon drum of WES48 Tower Inhibitor (1) Series R controller/pump combination, conductivity bleed with selectable feed timer (pulse, %, limit or 28 day) and pump dust cover. Pump rated at 30 GPD @ 110 psi. (1) ATS-10, 10 gallon polyethylene tank with vented threaded lid