FESTO Push-In Bulkhead Connectors is a pneumatic push-in fitting designed for quick and secure connection of pneumatic tubing through panels, walls, or mounting plates. It provides reliable compressed-air connections and easy tube installation/removal without special tools. Design: Push-pull principle with a lock nut Media: Compressed air or liquid water Temperature Range: -10°C to 80°C Body Material: Anodized aluminum or nickel-plated Brass Seal Material: NBR