AIRnet Steel, expanding bite-ring for 100 mm OD, Equal Union / Coupler for connecting 4" Fittings in large compressor and industrial installations. Each fitting end requires an Equal Union to connect to AIRnet Pipe ends.
AIRnet Steel, expanding bite-ring for 158 mm OD, Equal Union / Coupler for connecting 6" Fittings in large compressor and industrial installations. Each fitting end requires an Equal Union to connect to AIRnet Pipe ends.