Rubber Stoppers - Size 4 Solid
Product Number: S08494
In Stock (Ships within 1-2 business days)
Top Diameter: 26 mm
Bottom Diameter: 20 mm
Length: 25 mm
Approximate Number Per lb.: 24
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.
NOTE: Bottom of stopper diameter must be smaller than test tube diameter.