Series of push-in fittings with reduced dimensions and new collet and release collar. They are for connecting nylon and polyurethane tubes. Available in various configurations (studs, elbows, T, Y) and with threads Gas pre-tefloned taper (BSPT) and Gas parallel (BSP) with sealing o-ring. The stud threaded versions are standard with external and internal hexagonal key (for mounting in narrow places).