The PolyPlumb Polypipe 28mm Insert Pipe Stiffener is a pack of 20 black plastic fittings designed to reinforce and provide stability to plumbing pipes. Manufactured by Polypipe, these stiffeners are specifically made for inserts and help prevent movement or damage to pipes during installation. Perfect for use in various plumbing and fixtures applications, these stiffeners offer a reliable solution for maintaining the integrity of your piping system.
eBay