Sigma-Aldrich
Fine test sieves
Glindemann PTFE sealing rings
Glindemann PTFE密封圈
Griffin-type SS beaker
Hose adapter
Kilo-Lab® cylinder
Nalgene® vacuum filtration system
Perforated filter plate for Table-Top Buchner funnels
Scienceware® heavy-duty test-tube rack
Scienceware® POXYGRID® test-tube rack
Serrated natural rubber septa