Plastic Test Tube Rack Holder | Color Blue | 90 Holes, 3 Layers Stand Comes in a sturdy plastic

Comes in a sturdy plastic case for easy storage

accurate pH measurements

ensuring long-term use in educational environments

To show the Thermal Expansion of different Metals

physics teaching

Plastic Test Tube Rack Holder | Color Blue | 90 Holes, 3 Layers Stand Comes in a sturdy plasticVersatile Organization: This plastic test tube rack holder provides a convenient and organized solution for storing and organizing test tubes in laboratories or at home. Spacious Design: With three layers and 90 holes, this rack offers ample space to accommodate a large number of 13mm test tubes, allowing for efficient organization and storage. Durable Construction: Made of durable plastic material, this rack is sturdy yet lightweight, making it easy