1-1/2 inch Knock-Out Test Cap Solvent cements to Sch. 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 PSI or 40' head pressure. Made of white ABS
- Solvent welds to sch. 40 ABS and PVC DWV pipe
- Deeper design provides stronger leak free connections than 'wafer' caps
- Large glue area
- "Tab" feature keeps hands free of solvent cement
- Withstands 10 PSI or 30 ft of head pressure