The UniBond AERO 360 Sense sleep tight lavender refill tab will help create a fresh, clean and calming ambience in your home. Features an innovative 2-in-1 technology that absorbs excess moisture and eliminates bad smell to create a tranquil atmosphere. Filled with floral scents and essential oils, the patented wave-shape refill design ensures optimal performance by actively capturing and neutralising unwanted odour. The aerodynamic design provides enhanced air circulation and improves the air quality of your home. The tabs are made of ultra-active crystals to provide advanced moisture absorption. AERO 360 refill tab gives out the long-lasting fresh, beautiful scent of a lavender garden throughout your home and lasts for up to 90 days.To use: Press the PUSH button on the lower left and right of the hood and lift up the hood from the device. Open the refill tab packaging avoiding any skin contact. Place the tab with the blue side facing downwards on top of the axis and close the device. Once the refill tab is fully dissolved, open the spout and pour the salty solution into the toilet.