Interchangeable with HANSEN HK - Aeroquip 45 - Parker 60-Dynaquip DH-Snap-tite 72-Faster H.
PF Couplings Adaptor Half, interchangeable with Rectus 17.
MINI Couplings Coupler Half, interchangeable with Rectus 21, Camozzi Minimand Norgen 233.
ZF Couplings Adaptor Half, interchangeable with Rectus 27 and Cejn 410.
INSTANTAIR 21m/m 1/2" Swivel Adaptors