MTM Hydro M22 Twist Seal Couplers connect items such as your Hobby Hose with M22 fittings to your spray gun, or your extended lance to an accessory. These M22 Couplers can only accept an M22 plug with a 14mm stem (on the black side) and are sized 1/4" and 3/8" for the conversion into Male or Female plated steel NPT threads.
