1) Durability.Slow-release formula, it can flush for over 300 times when the water is below 25°C 2) Excellent Cleaning Ability. Rich blue bubbles, it can clean the dirty both of the tank, rim 3) Non-corrosive. Neutral product, 4) Fragrance. Be effective in deodorization, and keep perfume continuously, purify the air of the toilet. 5) Environment-protection. No phosphor and without heavy metal.
