Cork Stopper, function as a closure for bottles, vials, laboratory vessels and other openings, They are effective for both liquid and solid mediums and offer light weight, Length: 13mm, Top Diameter: 6 mm, Bottom Diameter: 4 mm, Stopper No.: no.000
Cork Stopper, function as a closure for bottles, vials, laboratory vessels and other openings, They are effective for both liquid and solid mediums and offer light weight, Length: 13mm, Top Diameter: 8 mm, Bottom Diameter: 5 mm, Stopper No.: no.00
Rubber Stopper Assortment, solid, assorted, one pound, color: black, are made of solid natural rubber that stays pliable over a long period of time, use with non-aggressive or concen solutions, Low sulfur content, temperatures from -25 to 70 deg, size: 1 to 6