For use with your Unibond Aero 360 Moisture Absorber, this 2 in 1 lavender tab is made from ultra-absorbent crystals for superior moisture absorption and patented anti-odour technology with no spills or noise and no electricity needed. Effective in combating bad smells and the development of dust mites and mould by absorbing excess moisture from the air, use with your Aero 360 absorber for large rooms up to 20 square metres. This pack contains 2 lavender refill tabs.