The Best Compact, Portable Salt Inhaler on the market! The Himalayan Salt Puffer inhaler comes filled with Authentic Himalayan Salt, an Extra refill and carry pouch are included for your Puffer. Long lasting up to 2 years with this Puffer. When you are ready to refill you will know because, it's not as effective and may no longer taste light salt. When you can no longer taste the faint salt taste after you've shaken the Puffer to activate it, it's time to refill! However Do Not throw the old crystals, they are still good! You can use them on food or dissolve a few in your mouth for natural electrolytes, headache, leg cramps or acid reflux. You may always call us for more information.