
Sleeve, Glass Joint, PTFE 45/50

United Scientific™ Glass Wool, Pack Of 500 g
Vinyl-Coated Lead Rings (circular), fits 250 to 1000 mL, Blue
The Lead Rings are perfect for stabilizing vessels and labware or for water bath immersions. (1 per EA)
Manufacturer: Heathrow Scientific
Vinyl-Coated Lead Rings (circular), fits 250 to 1000 mL, Blue is available to buy in increments of 1