American Standard 6550001.020 6550001.02 Siphon Jet Top Spud Urinal, 3/4 in, 2 in, 21-1/2 in H W X 14-5/16 in D, White Vitreous china High Efficiency operates in the range of 0.5 gaff to 1.0 gaff (1.9 Luff/3.8 Luff) Flushing rim Siphon jet flush action 3/4" inlet spud