* POLYPIPE Polymax Pack Off x10 Tee's 15mm * POLYPIPE PolyMax Equal Tee, 15mm x 15mm x 15mm, PolyMax Push-Fit Socket x PolyMax Push-Fit Socket x PolyMax Push-Fit Socket. This 15mm Tee allows you to split your run in 3 different ways, to allow you to join x3 15mm lenghts of pipe. PolyMax is Polypipe's newest push-fit plumbing range, introduced after extensive research, to meet consumer and installer demand. PolyMax push-fit fittings are slim, sleek and attractive, making it the perfect choice for surface mounted installations. Use PolyMax with Polypipe White Polybutylene flexible pipe, using a Polypipe metal or plastic pipe stiffener. PolyMax can be used on a wide range of home improvement and refit projects, including hot and cold water systems. Product .