Film-type rotary mass-and-heat exchange column
Floating paddlewheel aerator
Floating platform aerator/mixer apparatus
Flotation machine and aeration impeller
Flotation reactor with external bubble generator
Fluid diffuser for gases and liquids
Fluid distributor
Fluid mixer
Fluids mixing apparatus
Foam generator
Food processor with air whipping capability
Fragrance vaporizer, in particular for toilets