Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air filtering installations; Baths, bathtubs, whirlpool baths and bath installations; Flameless candles; HEPA filters for household use; Portable refrigerators; Shower bases; Sink drainer system comprised of a drain tray, sink mount, kick stand and rod; Toilet stool units with a washing water squirter; Vehicle-mounted air purifying apparatus