SWEET-VENT FILTER units are designed to provide the same adsorption functionality as larger units, only on a smaller scale. Each vent unit can be custom-fitted to meet the contaminant removal requirements of almost any application. The SWEET-VENT filter can be filled with media custom-selected to provide the maximum time on stream between changeouts and to deliver the optimum contaminant removal while in service. Small PVC canisters containing a variety of media for flows up to 50 acfm.