3/8" ID x 4' Flexible Rubber Air Hose 300 PSI 1/4" MPT x 1/4" MPT 1/2" It will perform best if

It will perform best if mounted in a stationary position away from physical abuse

or other liquids at high pressure without going through your pump

How to install the hose onto the hose barb

rust and can become sharp

3/8" ID x 4' Flexible Rubber Air Hose 300 PSI 1/4" MPT x 1/4" MPT 1/2" It will perform best if3 8" ID x 4' flexible rubber air hose 300 psi 1 4" mpt x 1 4" mpt (Suitable for 1 2 All Flo, Yamada, ARO, Ingersoll Rand, 1 2" air diaphragm pump or pump with a 1 4" air port) if your pump has a 1 4" port, always upsize the air hose ID at least one size up. We recommend a desiccant filter after the regulator and istall the elbow end at the pump. Hose is 4 in length. SKU: HA06 4