Hose Ad Freeze Dry 5/16 ,Each

Details:

Miscellaneous freeze drying apparatus hose adapter^ adapter i.D; 5/16 for hose with 1/2" i.D. For connection to vacuum hose and a 562830 vacuum adapter. 1/2" (12.7 Mm) i.D. Size will fit 3/4" (19.1 Mm) i.D. Hose; 5/16" (7.9 Mm) i.D. Will accept 1/2". Supplied with a size 018 viton o-ring.