20L UnJacketed Cylindrical Process Filter Reactor System Complete, Air Motor. Chemglass's unjacketed filter reactors can be used for single or multi-step reactions and filtrations in the same vessel, production and process scale peptide synthesis. Filter base eliminates material transfers and significantly reduces losses. Complete reactor system on Chemglass's open air, autocenter stand. Please Note: Filter Reactors are for Vacuum/Gravity Filtration Use Only