Coffee machines, electric; Coffee percolators, electric; Drinking fountains; Electric kettles; Sewage treatment plants; Sterilizers; Water desalination plants; Water filtering apparatus; Air filtering installations; Air purifying apparatus and machines; Aquarium filtration apparatus; Electric air deodorizers; Filters for air conditioning; Filters for drinking water; Gas scrubbing apparatus; Purification installations for sewage; Water purification installations; Water purifying apparatus and ...

Canned pressurized air for cleaning and dusting purposes; Carpet cleaners; Cleaning preparations; Degreasers other than for use in manufacturing processes; Detergents for household use; Dishwashing detergents; General purpose cleaning, polishing, and abrasive liquids and powders; Glass cleaners; Spray cleaners for use as an anti-fogger; Stain removers; Air fragrancing preparations; Antistatic preparations for household purposes; Cloths impregnated with a detergent for cleaning; Lacquer-removi...