4mm

Camozzi 6463 4 M5 Female Stud Coupling Push-In Fitting (4mm to M5)

Camozzi 6463 4-1/8 Female Stud Coupling Push-In Fitting (4mm to 1/8")

Camozzi 6512 4 M5 Parallel Male Stud Push-In Fitting with O-Ring (4mm to M5)

Camozzi 6512 4 M6 Parallel Male Stud Push-In Fitting with O-Ring (4mm to M6)

Camozzi 6512 4-1/4 Parallel Male Stud Push-In Fitting with O-Ring (4mm to 1/4")

Camozzi 6512 4-1/8 Parallel Male Stud Push-In Fitting with O-Ring (4mm to 1/8")

Camozzi 6522 12-3/8 Swivel Parallel Male Elbow Push-In Fitting with O-Ring (4mm to 3/8")

Camozzi 6522 4 M5 Swivel Parallel Male Elbow Push-In Fitting with O-Ring (4mm to M5)

Camozzi 6522 4-1/4 Swivel Parallel Male Elbow Push-In Fitting with O-Ring (4mm to 1/4")

Camozzi 6522 4-1/8 Swivel Parallel Male Elbow Push-In Fitting with O-Ring (4mm to 1/8")

Camozzi S6500 4-1/4 BSPT Taper Male Elbow Push-In Fitting (4mm to 1/4")

Camozzi S6500 4-1/8 BSPT Taper Male Elbow Push-In Fitting (4mm to 1/8")

Camozzi S6520 4-1/4 Swivel Parallel Male Stud Elbow Push-In Fitting (4mm to 1/4")

Camozzi S6520 4-1/8 Swivel Parallel Male Stud Elbow Push-In Fitting (4mm to 1/8")