Bath installations; Bath tubs; Bath tubs for sitz baths; Bathroom heaters; Baths, bathtubs, whirlpool baths and bath installations; Bathtub surrounds; Electric bath-water purifying apparatus for household purposes; Hot tub jets; Hot tubs; Hydromassage bath apparatus; Jet nozzles for bathtubs; Microbubble generators for baths; Multiple position bath seats; Sauna bath installations; Shower and bath cubicles; Water jets for use in bathtub, hot tubs; Whirlpool baths; Whirlpool jets; Whirlpools