Air filtering installations; Apparatus for filtering drinking water; Aquarium filtration apparatus; Decorative grills made of non-metal non-combustible materials for use in decorating evacuation ducts, air inlets, and hot air outlets of fireplaces; Electric hot-water bottles; Equipment for treating groundwater and soil comprising distribution lines, distribution manifolds, drop tubes, well seals and blowers; Fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system; Filters and filtering devices for air and gas conditioning; Filters for drinking water; Flexible pipes being parts of sink plumbing installations; Hand held shower heads; Heat pipes to cool heat producing components; Ionization apparatus for the treatment of air; Pipe heating tape; Pipes being parts of sanitary facilities; Pipes for heating boilers; Regulating accessories for water or gas apparatus and pipes; Regulating accessories for water supply, namely, metered valves; Separators for the cleaning and purification of air; Sewage purification apparatus; Sewage purification installations; Shower heads; Sterilizers; Toilet accessories, namely, plastic handles that are affixed to toilet seats; Washing machine water treatment device connected to the cold water inlet to eliminate need for detergent; Water bed heaters; Water cooling towers; Water ionizers; Water purification and filtration apparatus; Water purification installations; Water purification machines; Water softening apparatus and installations; Water softening units; Water sterilizers; Water treatment equipment, namely, water filtration units