The effervescent disinfecting tablet based on the NitrAdine® formula has demonstrated high in-vitro biofilm removal activity against a variety of micro-organisms, namely Candida albicans, Pseudomonas aeruginosa, Staphylococcus aureus, including the MRSA type, and viruses. The NitrAdine® works deep into the pores of the device without discolouring or colouring and without damaging its metallic parts. Box includes 20 tablets which should last 10 weeks (using 2 tablets a week).