Pipe liners (or stiffeners as they are sometimes called) should always be used with compression style MDPE fittings. Liners are fitted inside the MDPE pipe to add rigidity to the pipe wall when the fitting is compressed to make the seal.
MDPE Pipe Liner - 63mm
MDPE Pipe - 25mm x 50mtr Black
MDPE Pipe - 25mm x 25mtr Blue
MDPE Pipe - 50mm x 50mtr Black
MDPE Pipe - 25mm x 100mtr Blue
MDPE Pipe - 25mm x 150mtr Blue
