KOHLER K-25048-ET Stanwell Blow-out 0.5 to 1.0 gpf urinal with top spudThis new release of the Stanwell urinal features the same streamlined style and dimensions as the original but with new enhancements including a more water efficient flush rate of 0. 5 to 1. 0 gpf. The inlet spud has been reduced from 1 1 4" to the industry standard 3 4". Rough in and wall print dimensions remain the same as the K 4972 Stanwell, and the powerful blow out action flushes like a bowl and offers quiet performance. Blow out flush action. 3