8mm Fittings

Duotight Check Valve Push-In Fitting - 8 mm (5/16 in.)

This Duotight is great when you need an inline check valve. Why do you need an inline check valve? This only allows gas to flow only one way. This can be useful when you don't want liquid to backflow in your gas line and flood a regulator or air manifold...

Digital Mini Pressure Gauge (0-90 psi) - 8 mm Duotight Compatible

This digital gauge works great with Duotight fittings. It is designed to slip into any 8mm duotight fitting. This means it can be used directly with a disconnect attached to a duotight MFL fitting, inline using a Duotight Tee in conjunction with a...

Duotight Push-In Fitting - 8 mm (5/16 in.) Elbow

This Duotight elbow is for 4mm ID X 8mm OD EVABarrier hose/tubing. This size is normally used for liquid, but is used for gas on Duotight inline regulators and some other Duotight products. Duotight fittings feature a dual oring design that...