1 Waterless urinal (Patented Cartridge) 2 No flush, residue & odour 3 Water-saving 4 Easy ... overseas water-free oil sealed productsCharacterized by no water flush after usage, no pungent smell in the urinal, ... flush urinalsWidely used in sports fields, stadiums and gymnasiums ,hotels, hospitals, universities and colleges, bus/railway stations, armed forces, mobile toilets, public toilets ...