Available to Australian businesses with an ABN operating in HVAC and refrigeration, mould remediation, commercial cleaning or building and facilities management. One pack per business. Not available to residential end users. Limited to 80 packs in total; orders close when pack 80 sells. SAN-AIR qualifies all orders and refunds any order outside these trades. Claims relate to mould and bacteria; product performance depends on correct placement per the guide. Systems with heavy debris, grease or fat build-up require a mechanical clean before treatment. Bonus test kit included while the program runs..