Quick-change filter cartridge and head therefor
Rake lifting means for sedimentation apparatus
Receptacle for the collection of medical specimens and the like
Remotely operated submersible underwater suction apparatus
Removable closure assembly for a water treatment system
Replacement filter cartridge for water filtering system
Retractor for permeator or filter module
Rotary drum filtration apparatus with a detachable filter
Rotary drum filtration apparatus with a detachable filter
Rotary self-cleaning drum strainer
Seamless filter bags with a removable, refusable ring
Selective separation filter device
Septic tank filtering system
Shower filter apparatus
Shower filter assembly having reversible filter
Shroud for bottle mounted filters
Sink strainer device
Skim net assembly for cleaning swimming pools and the like
Spin on oil filter with extendible handle
Spray painting equipment