Choice of CEJN & DIN QD for attachment to your your Dry Suit Inflation Valve. Please select the correct fitting from the list above. Our Dry Suit Hoses have standard 3/8th threads so will fit 99.9% of Regulator 1st Stages. Standard Length Dry Suit Hoses are 71cm. We also offer an Extra Long Hose in CEJN Format. If you seek an Extra Long DIN QD Fitting Hose Please buy one of our Extra Long BCD Hoses as the Fittings are both DIN QD.