uxcell Pneumatic Air Tubing, 4mm OD x 2.5mm ID 20m(65.6ft) PU Polyurethane Air Compressor Clear Tubing Hose Pipe
4mm OD, 2.5mm ID and 0.75mm wall thickness, 20M Length. Lightweight, tough, kink resistant tubing, it is ideal to use with push to connect Fittings.