Aignep Universal Compression Fittings

Tube OD: 4 mm Thread: 1/8″ BSPT

Tube OD: 12 mm Thread: 1/2″ BSPT

Tube ID B: 1.5 mm Tube OD A: 2.7 mm

B Tube ID: 5 mm A Tube OD: 6 mm