Oil Garden Koala Ultrasonic Diffuser Womens balances electrolytes and supports muscle Soap Bars & Handwash balances electrolytes and supports muscle and nerve function The benefits of this spacer & mask are: Spacer device removes the need of perfect timing of inhalation Assists in drug delivery to the lungs Improves inhaler technique and drug delivery Suitable for all popular MDI’s Suitable for infants Small whistle mask included for infants to assist in training Ideal volume of 210ml Enables tidal breathing BPA free Warnings For use with puffer medication The Koala Ultrasonic Diffuser uses ultrasonic technology Gently remove the cover from the base and fill the water tank to the maximum water level link (150mL) with cool tap water