Hand Vacuum Pump 
suitable for KS3+. A great value, lightweight, hand-operated vacuum pump weighing 127g. Comprising of an ABS Polylac Pump Body, HDPE Piston and St. Steel Spring. Drawing 19cc 1.15 cu. in. -1 Bar per stroke, up to a maximum vacuum of 25 in. Hg 85 kPa. Standard 1/4” (6.4mm) I/D Silicone Tubing included.