Non-biological yellow urinal blocks with a 3-in-1 action. Water soluble - delivers cleaning agents each time the urinal is used and avoids blockage of urinal taps. Saves water, time and money through enhanced cleaning action. Long lasting pleasant citrus perfume overcomes malodours and deodorises. The special formulation helps control limescale, uric scale and calcium deposits, whilst cleaning action helps avoid build-up of solids. The detergent formulation cleans urinal surfaces and drains. Specially formulated to inhibit limescale build-up.