High quality toilet bowl cleaner Product Application :Fit for all kinds of sitting toilet. Product Features Durability: it can flush for 250 times when the water is below 25; Excellent Cleaning Ability: it can clean the dirty both of the tank, rim, inner wall, sewer pipe and other parts of the toilet thoroughly; Acute Sterilization Ability: effective in killing bacteria and germs of the toilet and sewer pipe, preventing bacteria from toilet and toilet sewer infected alternately; Fragrance: be effective in deodorization, and keep perfume continuously, purify the air of the toilet; Safety: neutral product, without any causticity or toxicity; Environment-protection: no phosphor and without heavy metal; Excellent blue that makes you fell comfortable. Technique Specification Appearance: inerratic half-cylinder within a pleated wrapper Color: blue, regular blue Fragrance: pure fresh perdurable fragrance with strong penetrability The PH value: 7 10 Active Surfactants: no less than 15% Foam (40): rich Heat Resistance (35, 24hr): no drooling, flowing and loosing or dissembling Freeze Resistance (-20, 24hr): no separating, no water absorbing after the room Freeze Resistance (-10, 24hr): no drooling, flowing and loosing or dissembling Phosphor content: (account with P2O5): 0 Arsenic content: (account with As): no more than 10 mg per Kilogram Lead content: (account with Pb): no more than 40 mg per Kilogram Soak in water: no flowing from the flushing water, no loosing or dissembling, no badly transfiguration