Oatey 33403 4″ Plastic Mechanical Test Plug – Sealed Bag, New

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Description

Plumbers and DIYers, this one's for you.
The Oatey 33403 is a 4-inch plastic mechanical test plug used to seal and pressure-test drain pipes, waste lines, and vents during plumbing installs or repairs.
It's a gripper-style plug, meaning it expands when you tighten it to create a watertight seal inside the pipe.

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Super handy for when you need to block off a line and run a water or air test to check for leaks.

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It's brand new, still in a sealed bag, so it's as clean and fresh as it gets.
The MPN is 33403, and it's from Oatey – a name plumbers trust.
It's made in China but built to Oatey's spec, so it does the job.

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Just pop it into the pipe, tighten the wing nut, and it grips the walls firm.

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No glue, no fuss, and it removes easily when you're done.

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Great for construction sites, remodels, or just your own home projects.

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There's a Prop 65 warning, but that's standard for many plastic products – just follow normal handling.
Affordable, reusable, and reliable.
A must-have in any plumber's bag or truck.

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Grab one for your next rough-in or test and save yourself a headache.

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