Flat Face Stainless Steel + Viton Coupler, interchangeable with Stucchi (Holmbury) FL.
Snaptite H Series (Brass) Nipple (BSPP/NPT), valved and unvalved.
Snaptite 71 Series (Steel) Nipple (BSPP/NPT).
DIN Standard - PDV-O Series Coupler, valveless version for pressure washers