Professional & Industrial Equipment

Premium Stainless Steel Test Tube Caps - Pack of 10, Compatible with Test Tubes Diameter 13-30mm, Durable Lab Supplies(30#for 30mm Test Tube) Made from 304 stainless steel, these test tube caps offer exceptional durability and reliability for all your laboratory needs. Designed for test tubes with a diameter of 13-30mm, ensuring a snug fit and preventing contamination during experiments.... Premium Stainless Steel Test Tube Caps - Pack of 10, Compatible with Test Tubes Diameter 13-30mm, Durable Lab Supplies(30#for 30mm Test Tube)