Leakproof Seal: This expandable pipe plug provides a tight, airtight seal for low-pressure pipe leak testing and maintenance. Effectively prevents water leakage during inspection, repair, and winterization
Precise Fit Range: Designed for pipe INNER diameters 2-9/16"–3-1/8" (65–80mm). Not outer diameter. Please measure the inside of your pipe before purchase
Durable Material: Made of stainless steel and rubber, this rubber expansion plug is resistant to antifreeze, oil, and heat. Ensures reliable sealing performance in plumbing and marine applications
Easy Expansion Design: This pipe test plug includes an allen wrench for quick installation. Tighten clockwise to expand the rubber for a secure seal, and loosen counterclockwise for easy removal and reuse
Wide Use: Ideal as a drain pipe plug for plumbing, pool lines, and boat drain systems, as well as general pipe sealing plug applications within the specified size range only. Not suitable for pipes smaller than 65mm