Rubber Stopper, with 1 Hole, color: black, made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions, Low sulfur content, Withstands temperatures from -25 to 70 deg C, Size: 1
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: 29 mm, Top Diameter: 24 mm, Bottom Diameter: 18mm, Stopper No.: no.9
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: 20 mm, Top Diameter: 16 mm, Bottom Diameter: 11mm, Stopper No.: no.4