This kit has everything you need to match different tubing and systems together. Includes fitting to combine 1/16 in. I.D. soft Tygon tubing with our polyethylene tubing PPT. This allows you to use polyethylene tubing PPT with PS25 perfusion systems. It also provides secure connection of 1/16 in. tubing to manifolds TPM. Includes fitting to combine different tubing together, even microbore tubing, both Teflon and polyimide, in addition to polyethylene PPT, 1/16 in. and 1/8 in. soft tubing. It also comes with eight stop-cocks and a set of four Teflon manifolds: 2, 4, 6, 8-channel. The manifolds with different number of channels allow you to use 8-channel perfusion systems with less than eight solutions.