Product Information from Andas Salitair consists of a salt chamber, upper and lower filter, mouthpiece and cap. The mouthpiece, which contains the upper filter, is bayonet-fixed to the salt chamber so that it can be removed for cleaning and refilling. Includes: Salt air inhaler and 3 months supply (3 refills) of halite salt crystals Suggested Use: 1. Fill the container with approximately 2.5 oz. (70 grams) or approximately 1/3 of the supplied rock salt crystals. Shake inhaler over a waste bin or sink to remove excess grains that may have gathered during filling and transportation. Reattach the mouth piece to the salt chamber. Ensure that the upper filter is attached to the container before attaching the mouth piece. Your Salitair is now ready for use! 2. For optimal results, inhale through mouth and exhale through nose! Place the mouthpiece between your lips and draw air gently through your mouth - exhale through your nose. DO NOT EXHALE BACK THROUGH THE DEVICE. You may experience some coughing or sneezing when the inhaling process starts.