Backwashable filter system
Backwashable filtration system
Baffle and wash trough assembly for granular-media filters
Baffle assembly for air and water backwash of a media filter
Baffled particulate material housing
Bilge oil absorber and solidifier
Biological reactor including settler assembly
Blood purification device
Body fluid purification medium and apparatus
Bottle and filter
Bottle filter cap
Bottle filter cap
Buoyant coarse media flocculator
Buoyant coarse media flocculator