"WATER WORKER" PRE-CHARGED VERTICAL PUMP TANK *30 gallon: 41 lbs. *16"D x 37"H *8.9 gallon drawdown at 20-40 PSI; 7.4 gallon drawdown at 30-5 PSI *1"FPT *Steel *Catalyzed polyurethane coating inside tank *Replaces most tanks without piping*Butyl diaphragm *Schrader replaceable air valve *Plastic strip around base *Blue *Five year limited warranty *Boxed