Designed for large volume solvent removal,this Dewar style trap features a dry-ice chamber with the choice of either glass or PTFE stopcock. The glass stopcock is designed for improved vacuum performance, while the PTFE stopcock allows for grease-free operation.The trap is equipped with 10mm hose connections. ● Material:Borosilicate glass ● Color:Clear ● With stainless steel springs and clips ● Supplied with PTFE and Glass stopcocks ● Accessories:A3505-4mm Stopcock Plugs,Straight Bore,1:5 PTFE Stopcocks,A3512-4mm Replacement Glass Plug,1:10 Glass Bore,A3525-03 Replacement Stainless Steel Retention Kit for Glass Stopcocks