Gas cleaning system
Gas filter container
Gas filter tube locking apparatus
Gas line dust trap
Gas separation filter device having a handle
Gas separation filter device having a handle
Helmet adapted for use by hay fever sufferers
Housing for mounting HEPA filters
Industrial vacuum cleaning apparatus
Installation for the storage and transfer of objects in a very c
Internally supported filter
Jacktop cleaner
Lifting handle for air purifier
Mobile airborne air cleaning station
Mobile airborne contaminant control chamber
Movable industrial dust collector
Multiple filter vessel
Portable air filtration apparatus
Portable air pollution capture apparatus with painting tray
Portable clean air facility