Interchangeable heating blocks offer excellent thermal conductivity

• Versatile—interchangeable heating blocks accommodate various tubes and plates
• Block heaters sold separately

Interchangeable aluminum heating blocks provide excellent thermal conductivity and accommodate various test tubes, cups, and plates. Depending on the combination of blocks selected, plastic spacers (36620-67) can be used to fill a half-width recess, ensuring optimal thermal performance. Most blocks come with a separate hole to accept a thermometer.