Fish pond filter system
Fixed-bed bioreactor and carrier body for purifying fluids
Floating aquatic plant treatment system
Floating aquatic plant treatment system with porous system
Floating aquatic plant water treatment system
Floating bioreactor system
Floating hydroponic biofiltration device
Floating media biofilter
Floating media hourglass biofilter
Floating nitrification reactor in a treatment pond
Flow control systems and methods for artificial ponds
Flow equalized rotating biological contactor
Fluid bed reactor for the biological treatment of water
Fluid flow system for floating biological contactor
Fluid treatment apparatus
Fluidized bed aquarium filter
Fluidized bed biological filter assembly for fish tanks
Fluidized bed reactor
Fluidized bed reactor for biological purification of effluent
Fluidized bed reactor with means for ensuring homogeneous distri