Description Shut off for 3/8 inch I.D. hose and tubing ***Improved January 2022. better materials to reduce cracking*** Use with surge milker for goats, Caprine Supply milker or other goat milkers using 3/8 tubing. provides 100% shutoff Not Grade A approved - valve should be taken apart to thoroughly clean Replaces green valve Use with item 4383 silicone milk hose - see link below High density polyethylene Outside Diameter (O.D.) 10 mm 63548 033-3/8 962606 228265 Made in Italy updated 3/26