PTFE 24/40 to KF25 or 3/8" Hose Barb Adapter w/ Viton O-rings

The flange adapter has a 13mm internal diameter and converts 24/40 adapters to KF25, it also comes with an adapter to 3/8" hose barb. Its for use with the bigger pumps. In order to engage the stainless-steel bellows--the tubing which comes with such pumps, this adapter is required. It has a PTFE body with a Viton gaskets, allowing for corrosion resistant, airtight vacuum work.