Screw Cap With Silicone Washer For Sample Tubes With External Threads, Lilac (BACKORDER UNTIL 4/26/2022), Globe Scientific (CAT#: STEM-SPL-2776-LC)

Screw Cap With Silicone Washer For Sample Tubes With External Threads manufactured by Globe Scientific is made of polypropylene (PP), providing the same coefficient of expansion as the tubes. This cap features a polypropylene inner lip to offer a leakproof seal, even at changing temperatures. This cap is designed with a long skirt and a super-fast thread for easy removal or closure with a single turn.

Outside Diameter: Top: 13.6mm - Bottom: 14mm

With O-Ring
Color-coded for sample identification