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The A.Y. MCDONALD 6133T is a stainless steel insert stiffener designed for use in plumbing applications. This stiffener fits inside polyethylene, PEX, and polybutylene tubing. It helps prevent the collapse of plastic tubing to ensure a secure connection.
This insert stiffener is essential for maintaining the integrity of various tubing systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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