Dry Ice Trap
A cost effective, non-mechanically refrigerated stainless steel vessel that can be made cold by filling with dry ice/ethanol slurries. The stainless steel jar is set into a cold slurry mix of ice/ alcohol/ dry ice. The cold surface of the trap collects and attracts components that would otherwise be ingested by the vacuum pump.
Passive Filter Trap
Use with vacuum pumps and ovens with a 3/8th Diameter line and connections. An easy and inexpensive way to try filter out larger particulates that your vacuum pump may ingest. Submerge it in an ice bucket for a cold trap effect. Clear glass shows what is being collected. The steel wool filter material can be cleaned and reused. Use with vacuum pumps like the Welch CB2052 with 3/8th connection barbs.