Oatey 33466 3 In. Push Cap Cover, Small Friction-fit test cap for use up to 10' head pressure For use on Sch 40 ABS and PVC DWV pipe and fittings Made of polyethylene For use on Sch. 40 ABS and PVC DWV pipe and fittings Made of polyethylene. Slips over DWV pipe or inside fitting No solvent cement necessary. Friction-fit test cap for use up to 10' head pressure