Eisco Labs Cast Iron Closed Ring Support – 4" Inner Diameter, Heavy-Duty Clamp for Lab Stands & Rods large borosilicate beaker while the wide 10–70 rpm

while the wide 10–70 rpm range allows for both delicate and vigorous agitation

Its six-sided heating system and internal low-speed fan provide uniform temperature and CO₂ distribution

Ideal for hands-free

each bottle is GHS and OSHA compliant for safe chemical handling

and general science applications

Eisco Labs Cast Iron Closed Ring Support – 4" Inner Diameter, Heavy-Duty Clamp for Lab Stands & Rods large borosilicate beaker while the wide 10–70 rpmEnsure stable and secure support for your laboratory setups with the Eisco Labs Cast Iron Closed Ring Support (4" Inner Diameter). Designed for heavy duty use, this rugged lab support ring is ideal for holding funnels, flasks, and other lab apparatus during experiments. Crafted from durable cast iron, the closed ring support provides exceptional strength and long lasting performance in classrooms, research labs, and industrial environments. The