Stainless Steel Male QD X 1/2" Barb
This quick disconnect seals up very well without a lot of work in connecting them.
These feature a 1/2" Barb on the ends for easy connectivity to any 1/2" tubing you may have.
The quick disconnect will hold pressure for typical brewing applications when moving liquids at 60psi or less. 3/8" ID.
Open port, does not have a shut-off.