SP Bel-Art Replacement Polypropylene Tube Fittings; for ¼ to ⅜ in. I.D. Tubes (Pack of 12) (F19965-0000)
Shatter-proof polyethylene straight tubes • Each tube supplied with two polypropylene fittings which accept 6.4 to 9.5mm (1/4" to 3/8") I.D. tubing • The color change observed when using Indicating Desiccant is clearly visible 16mm