Automated, non-fuming uratic salt remover for urinals. Blast Out gets dispensed into the drain with every flush. Removes years of buildup and prevents new buildup from forming. Prevents costly plumbing bills from blocked pipes. Eliminates a major source of urinal odors deep in pipes and emits a light, fresh scent. No tools, tapes, or screws required. Simple, quick installation. No metal parts to deposit rust or scratch porcelain. In-urinal placement discourages vandalism. Lasts +30 days.