The 4mm Outside Diameter Push-In Union is a reliable fitting designed to create a straight path for air or fluid to flow through, joining two pieces of tubing end-to-end. This fitting uses push-in technology to make a quick, tight connection. Its composite construction makes the fitting strong, lightweight, and resistant to corrosion, wear, and damage from exposure to various chemicals or environmental conditions. Specification Details TYPE Push-In Union DESIGN Compact design for portability and space-efficiency MATERIAL Composite materials for lightweight strength, chemical resistance, and cost-effectiveness MATERIAL CONSTRUCTION Composite WEIGHT (lbs) 0.010 CONNECTION SIZE 1 4 mm CONNECTION SIZE 2 4 mm CONNECTION TYPE Push-Fit|Push-Fit CONNECTION TYPE 1 Push-In Tube CONNECTION TYPE 2 Push-In Tube FITTING TYPE Union PRESSURE RATING 220 psi TEMPERATURE RATING -5 to 175 deg F APPLICATIONS Ideal for pneumatic equipment, fluid systems, industrial, and automated machinery BRAND Midland Industries Link to Midland Industries Catalog