Various fittings to convert 1/4″ NPT Industrial Quick-Disconnect to low-pressure tubes 5/16″ and 3/16″. Both male and female tube fittings are provided. Designed based on official mil-spec MIL-C-4109F and ANSI standard B1.20.1. Shown with Tygon 5/16″ fuel tube (yellow) and 3/16″ aquarium “airline” tubing. I use these to feed air for various low-pressure applications like…