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Your cart is empty. Pack of ten #3 stoppers made of long lasting neoprene rubber. Blue color. Each stopper features one hole measuring 5mm in diameter. Manufactured according to sizes recommended by ASTM standards. Each stopper measures 25mm in length, has a base diameter measuring 18mm, and a top diameter measuring 24mm. The neoprene rubber construction is suitable for use with petroleum products, minerals, oils and fats, as well as most inorganic acids and bases. Resistant to temperatures ranging from -40 to 130°C.
Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind.
Elknoc Ekim
Reviewed in the United States on March 13, 2023
The size of the plugs ( corks) is not clear by the picture . Buyer beware, Kot worth it to return them,
Delaine
Reviewed in the United States on January 27, 2023
These were needed for a science project. They fit as expected and worked perfectly
Cassie J Miles
Reviewed in the United States on December 3, 2022
Needed one-hole rubber stoppers for a bio lab…these worked well…good quality
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