United Scientific® Support Ring, Steel Rod, Diameter

The Support Ring, Steel Rod by United Scientific is a zinc-plated steel rod ring with an attached boss head clamp and thumbscrew that mounts on a support stand rod. Rings come in 2" to 7" diameters, each 4-1/2" from the rod to the ring center. Teaching labs and research benches use it to hold filter funnels, separatory funnels, wire gauze and flasks during filtration, extraction and heating. Sold individually.