20 caged enzymatic urinal blocks, containing in excess of 3 billion proactive bacteria which digest uric salts, sludge and uric deposit build-up, eliminating the source of unpleasant odours and leaving a fresh washroom scent.

For optimal results, use as part of the GD 3-step Drain Protection Program alongside surrounding surfaces, floor wastes and the self-cleaning Green Drain™ waterless one-way valves to seal and protect all drains.