Oatey 4 In. Knock-Out Test Cap ABS Plug

Solvent welds to Schedule 40 ABS and PVC DWV pipe. Deeper design provides stronger leak-free connections. Knock-out center can be removed with tab preventing possible blockages. Tab feature keeps hands free of solvent cement. Will withstand 17 P.S.I. or 40' head pressure. Made of white ABS.