Rubber Stopper Two Holes

Rubber Stopper Two Holes for Educational Laboratory.

Product Code:
SKU-IELAB008008

Description:
Rubber Stopper Two Holes
Top Diameter: 17 mm.
Bottom Diameter: 13 mm.
Developed for demanding laboratory work. Soft, pliable, resilient, low in free sulfur, resistant to chemical attack. Made of black or blue rubber. Size numbers are molded into the top. All stoppers are 25 mm long. Accepts 4 mm tubing.