Description Single Black Plastic Hose with Green Stripe. sold per foot 3/8 I.D. - Inside Diameter 5/8 O.D. - Outside Diameter Surge Single Pulsation Tubing. Black hose with Green Stripe Fits OEM Surge Single pulsators; 7750-0010-224 Permanent mount pulsator 7750-0010-421R Square Nipple movable pulsator 501-10224R Single Round Nipple movable pulsator Fits all Surge Single pulsation milking units also used for vacuum regulator controls, vacuum operated drains, and other applications requiring a thick wall tubing. Order 100 ft for full roll 10/22
