AN Bulkhead Tee on the Run.
These AN tee bulkhead fittings allow you to easily and safely run you fuel/oil/water lines through a panel or firewall without worrying about rubber grommets and wearing through the hose. This is a bulkhead T-Piece where the Bulkhead section is "On The Run" and all ends are the same AN male flare size. Available in sizes from -3 all the way through to-20.
Bulkhead nuts sold separately
AF804-03BLK