STOPPER SZ4 NEOPRENE 1H BLUE 10PK

Details

This pack of ten #4 stoppers is made of long-lasting neoprene rubber and features a blue color. Each stopper has one hole measuring 5mm in diameter. Manufactured according to sizes recommended by ASTM standards, each stopper measures 25mm in length, with a base diameter of 20mm and a top diameter of 26mm. The neoprene rubber construction makes them suitable for use with petroleum products, minerals, oils, fats, as well as most inorganic acids and bases. They are also resistant to temperatures ranging from -40°C to 130°C.