4mm

1/4" BSP to 4mm Male Stud Push-In Fitting (Nickel Plated Brass)

4mm to 1/4" Straight Parallel Male Stud Push-In Fitting (Nickel Plated Brass)

4mm to 1/4" Swivel Elbow Push-In Fitting (Nickel Plated Brass)

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

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

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

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

Metal Work RL1 4-1/4 4mm to 1/4" Straight Male Stud Brass Fitting (2L01003)

Metal Work RL31 4-1/4 4mm to 1/4" Rotary Elbow Male Brass Fitting (2L31003)

Metal Work RL32 4-1/4 4mm to 1/4" Central Tee Male Brass Fitting (2L32003)

Watson Elbow 4mm to 1/4" Pneumatic Push-In Fitting (CTL-4-02)

Watson Female Stud 4mm to 1/4" Pneumatic Push-In Fitting (CTCC-6-02)

Watson Male Stud (Straight) 4mm to 1/4" Pneumatic Push-In Fitting (CTC-4-02)