Unibond Moisture Absorber Aromatherapy Relaxing Lavender Refill Tab with a 2 in 1 technology: anti moisture & anti odour. The integrated Lavender scent with essential oils provides a fresh, clean scent of Lavender in the air. Aero 360 Moisture Absorber Refills last for approximately 3 months in a 20m² room. 2 x 450g Aromatherapy Relaxing Lavender Refill Tabs.