INSERT STIFF T-4500 1IN

PEX pipe stiffening insert for 1-inch PEX tubing to maintain pipe shape during fitting installation. This rigid support slides inside PEX before connecting fittings, preventing the pipe from collapsing or kinking during assembly. Essential tool for proper PEX plumbing installations - ensures fittings seal correctly and water flows freely. The 1-inch size matches 1-inch PEX supply lines. Reusable tool that belongs in every plumber's kit. Prevents costly callbacks from improper PEX installations. Simple to use - insert before connecting fittings, remove after assembly. Required for professional-quality PEX work. Available for same-day pickup in Paullina or Primghar, Iowa.