Air Filtration Systems by Flanders/CSC Corporation. For all your containment air filtration needs, call Flanders/CSC. Products Menu Airvelope BF-Series Housings BG-Series Housings Custom Engineered Systems G-Series Housings Glovebox Housings GRF-Series Housings HEGA Carbon Adsorbers HEPA Filters, Biological Grade HEPA Industrial Grade HEPA Filters, Nuclear Grade Housings In-Place Test Housings Isolation Dampers KF-Series Housings KG-Series Housings NBC/CBR Systems Prefilters Remote Housings Self-Contained Systems A Wholly Owned Subsidiary of Flanders Corporation Air Filtration Systems for Indu