Amtrol® WELL-X-TROL® Professional Diaphragm Well Tank, Series: WX-200, MNPT Discharge Connection Type, 1-1/4 in Discharge, 22 in Overall Dia, 57 in Height, 81 gal, 0.41 Max Acceptance Factor, Antimicrobial Liner, 150 psig, 38 psig Precharge, High Strength Steel Shell, Blue, Domestic