Fittings * | Sp Bel-Art Check Valves, ” Bore, To 1/4″ Taper, Ldpe 12Pk

Ensure One-Way Directional Flow In Vacuum Lines With These Polyethylene Plastic Check Valves.

• Operate Positively; Instantly Blocks Flow If Direction Changes
• Built-In Arrows Indicate Direction Of Free Flow
• Neoprene Disk, No Metal
• Maximum Operating Pressure Is 20Psi