1. 3" & 4" Dual Size Test Plug Set: Includes two of the most commonly used plumbing test plug sizes. Perfect for sealing and testing 3-inch and 4-inch drain or sewer pipes in residential and commercial plumbing systems.
Mechanical End-of-Pipe Gripper Design: The expansion-style mechanical plug grips securely inside the pipe to create a tight seal during plumbing tests. Ideal for pressure testing, leak detection, and temporary pipe sealing.
Durable Rubber Expansion Seal: Constructed with heavy-duty rubber that expands evenly inside the pipe wall to prevent leaks. Compatible with PVC, ABS, and cast iron pipes commonly used in plumbing
Quick Installation & Removal: Simply insert the plug and tighten the wing nut to expand the rubber seal. No glue, tape, or complicated tools required. Easy to remove and reuse after testing.systems.
Reliable Tool for Plumbers & DIY Projects: A practical addition to any plumber's toolbox. Suitable for professional contractors, plumbing repairs, home renovations, sewer testing, and drain line maintenance.