- Ships from Rochester, NY
- US Customer Service
- 30-Day Return Policy
Circular black metal screen, 75 mm dia. A screw-controlled, spring-loaded precision slit is mounted on one side of the disc. Circular black metal screen, 75 mm diameter with a 12.5 mm central aperture. A screw-controlled, spring-loaded precision slit is mounted on one side of the disc. Maximum slit opening 4 mm
Started over 50 years ago as a small, family-owned manufacturing company, Eisco now produces over 6,500 product lines for the science education and scientific research markets. They have headquarters in both India and the US, and serve hundreds of distributors around the world.
Their core products include glassware, physics apparatus, biology models & equipment, and chemistry lab supplies. Products are designed by a team of laboratory professionals and engineers with quality and durability in mind.