Toilets; Arm rests for use with toilet seats; Composting toilets; Electric air sanitizing unit; Electric room deodorizing units; Filters for air extractor hoods; Heaters for warming up portable toilets in cold weather; Heating elements; Heating installations; Ionisation apparatus for the treatment of air; Mobile restroom units featuring incorporated tow trailers; Portable toilets; Sewage purification installations; Sinks integrated into counters or countertops; Taps for washstands; Toilet acc...