3″ & 4″ Plumbing Test Plug Set – PVC/ABS/Cast Iron

Ensure leak-free plumbing systems with this **kiecpoy 3″ & 4″ Mechanical Drain Pipe Test Plug Set**, designed for professional plumbers and DIY enthusiasts alike. This **2-pack** delivers a secure, reusable solution for pressure testing, leak detection, and temporary pipe sealing in residential and commercial applications. The **expansion-style gripper design** creates a tight, watertight seal inside **PVC, ABS, and cast iron pipes**, eliminating the need for messy adhesives or tape.

Installation is quick and tool-free: simply insert the plug and tighten the wing nut to expand the **heavy-duty rubber seal** evenly against the pipe wall. Whether you're conducting hydrostatic tests, inspecting sewer lines, or performing drain maintenance, these test plugs provide a reliable, reusable alternative to traditional methods. Their durable construction ensures long-lasting performance, making them an essential addition to any plumber’s toolkit—ideal for contractors, homeowners, and renovation projects.