BAUER makes it easy to fill paintball marker tanks from a variety of storage cylinders with our Fill Adapters. Each filling adapter includes a safety valve for overfill protection and a vent valve for safe depressurizing and disconnecting. BAUER Fill Adapters are made with safety in mind for your protection. Standard connectors include CGA 346, CGA 347, SCUBA and paintball. Fill Adapters are available with or without a fill hose.