Air sterilisers; Apparatus for disinfecting water; Aquarium filtration apparatus; Dish disinfectant apparatus for industrial purposes; Disinfectant apparatus for banknotes; Disinfectant apparatus for medical purposes; Filters for drinking water; Germicidal lamps for purifying air; Hot water heating installations; Water filters; Water purifying apparatus and machines; Electric air deodorizing apparatus; Electric air driers; Electric pocket warmers for warming hands; Electric air deodorizers; M...