Teflon Bag, On-Off Valve (0.5L) Back Catalog number: TE-22 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF47500PVC Filter, PVC, 5.0µm 47mm, 100/Pack Price on request 811-9917-01 Go-Cal Replacent Filter Price on request SC-1 Tedlar Bag (0.5L) Price on request