For Above Ground Swimming Pool Skimmer Hose Adapter REPLACEMENT SKIMMER HOSE B ADAPTER: Part number 25016 is an exact replacement for wall-mounted pool surface automatic skimmer models 28000E, 28335EH, 28337EH, 28341WA, 28345WA, 28365EH, 28375EH, 28395EH Adapter B fits a threaded male poolside connector with 3.25 inches inner diameter QUICK CONNECT AND DISCONNECT: Adapter B slides into the skimmer hose and kept in place by the pump’s suction. The threaded end screws into the inlet connector (remove the inlet cap first) Poolside connection end inside measurement is approximately 3 1/4 inches. Hose connection end outside measurement is approximately 1 1/2 inches. 11238 hose adapter Replacement for above ground swimming pool skimmer kit