1 Waterless urinal (Patented Cartridge) 2 No flush, residue & odour 3 Water-saving 4 Easy sterillization 5 Aesthetic ... similar overseas water-free oil sealed productsCharacterized by no water flush after usage, no pungent smell in the urinal, no residue ... been proved that their effect surpasses the standard of water flush urinalsWidely used in sports fields, stadiums and gymnasiums ,hotels, hospitals ...