3/8" x 3/8" Bulkhead with Locknut

This monotight push fit fitting is 3/8"Female to Female. The bulkhead with locknut is designed to go through the wall of a tank, housing or wall or panel. Simply fit to wall/panel/vessel and push tube in from both sides to join.
These high quality acetal fittings are made with EPDM o-rings that are reliable, will not perish like cheaper rubber. The acetal plastic is also chemical and UV resistant so it will last for a long time even in testing conditions.

This fitting is a push in fitting so you just push the line in from both sides.  It's similar to John Guest.  

Please note these images show a white product where these are actually grey.