Steel Drain Test Pipe Bung/Plug 4" (100mm) Plumbing Stop Tube Blanking Cap

Centre locking drain test plugs with steel plates. Suitable for air or water testing of drains and sewers. Material: Steel. Sizes: 1-1/2" - 18" (40mm - 450mm) Used to seal a pipe for repair work & for low pressure testing., Manufacturer: AB Tools