Models available PG8AC Stainless steel tank offering 8 GPH Cold water production only NSF ANSI 61 compliant Dimensions H 19 X L 17 ¾ X P 18 ¾ Antimicrobial push pads Stainless steel tank offering 3 to 5 GPH Cold water production only NSF ANSI 61 compliant Dimensions H 40 ½ X L 12 X P 12 Strong-built model