4 Inch Mechanical Pipe Test Plug – End of Pipe Gripper Plug with Galvanized Screw & Steel Wing Nut – Expansion Drain Stopper for Sewer Cleanout, Sink, Pool, or Drain Line Maintenance – 1 Pack

4 Inch Mechanical Pipe Test Plug – End of Pipe Gripper Plug with Galvanized Screw & Steel Wing Nut – Expansion Drain Stopper for Sewer Cleanout, Sink, Pool, or Drain Line Maintenance – 1 Pack

• Reliable Sealing Performance: Crafted for dependable pressure testing and sealing, this 4-inch pipe plug fits securely at the end of standard drain lines. Its expanding rubber body ensures a snug, watertight seal to help prevent unwanted flow during maintenance
• Durable Metal & Rubber Construction: Built with high-quality industrial rubber and reinforced with corrosion-resistant galvanized steel hardware. The steel wing nut offers enhanced tightening control and longer service life compared to plastic alternatives
• Tool-Free Installation: No need for complex tools or equipment—simply twist the wing nut to expand and lock in place. Perfect for quick repairs or seasonal pool and drain prep work
• Versatile Home & Outdoor Use: Ideal for sealing kitchen or bathroom sinks, outdoor sewer cleanouts, return lines in pools, or as a temporary stopper during pipe inspections. Works with a variety of plumbing systems and maintenance routines
• One Pack, Ready to Use: Comes pre-assembled and ready out of the box. This single 4-inch pipe test plug is a practical addition to any toolkit—perfect for contractors, homeowners, or DIY plumbing repairs