... Floater 2.Kill hamful bacteria used in toilet bowl 3.Constant Fresh Fragrance. 4.ISO9001 Toilet bowl cleaner H-16Specification:Ingredients: Spice,pigment ... it can clean the dirty both of the tank, rim, inner wall, sewer pipe and other parts of the toilet thoroughly· ... deodorization, and keep perfume continuously, purify the air of the toilet· Safety: natrual product, without any causticity or toxicity· ...