• Safe and effective — saline nasal irrigation is clinically proven to relieve sinus congestion caused by allergies, hay fever, sinusitis, the common cold, dry air, dust and pollution• Automatically pulls saline through the nasal passages• No bending required• Can be used as often as you wish (recommended 1X-2X per day)• Uses lukewarm tap water and pharmaceutical-grade salt pod (sea salt and water)• Salt pod contains 99.95% pure sea salt (sodium chloride), with no additives or fillers• Includes 18 salt pods• Additional salt pods available at SharperImage.com (Item No. 206429)• Cycle lasts 10-60 seconds, depending on your anatomy and congestion• Most cycles last 20-30 seconds• When the tank is empty, the cycle is complete• Twist off the tank to empty and clean the device• A set of batteries lasts about 3 months (with twice daily use)• Operates on 2 included AA