EISCO Pack of 50 Rubber Stoppers, Two-Hole, Assorted Sizes - Resistance to Acid, Alkali, and Ammonia

Pack of 50 assorted orange rubber stoppers, each with two 5mm diameter holes.Contains the following quantities and sizes (bottom diameters):10 stoppers each of 4 different sizes: 13mm, 15mm, 17mm & 18mm3 stoppers each of 2 different sizes: 21mm, & 23mm diameters2 stoppers each of 2 different sizes: 25mm, & 29mm diameters. The durable, rubber construction is suitable for use with chemicals. Resistant to acids, alkalis and ammonia. Easy to clean - dishwasher safe. Stable at temperatures between -20°C - 70°C. Stoppers are designed for use in professional laboratories, but are perfect for a variety of applications in the home and garage. 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.

• TWO HOLE RUBBER STOPPERS || Pack of 50 stoppers made of superior quality, solid rubber. Tapered shape. Orange color
• ASSORTED SIZES || Pack of 50 stoppers - set contains 10 pieces each of size: 13, 15, 17, 18 mm bottom diameter. 3 pieces of each of 21, 23 mm bottom diameter and 2 pieces each of 25, 29 mm diameter
• CHEMICAL RESISTANT || The solid rubber construction is suitable for use with acids, alkalis and ammonia
• DURABLE || Durable for long time use. Easy to clean - dishwasher safe. Stable at temperatures between -20°C - 70°C.
• DESIGNED FOR PROFESSIONAL LABORATORIES || These stoppers are designed for use in professional laboratories, but are perfect for a variety of applications in the home and garage