Winterhalter C7 Heavy Double Agent Surface Sanitiser (Conc) This Double Agent Surface Cleaner is ideal for all hard surfaces including work surfaces, microwaves, fridges, freezers, chopping boards & tiles. This kills a 99.9% of germs in 30 seconds. Effective against listeria, salmonella, e-Coli, pseudomonas aeruginosa, staphylococcus aureus & enterococcus hirae Ensure that this product is used within 12 months of purchase. To use: Wipe the surface you want to clean, removing all rubbish. Apply product to a paper wipe. Wipe surfcae to be cleaned, focusing on corners & under edges. Repeat previous two steps for effective coverage. Allow to air dry.