Refill Kit Includes SensorWands This unique wet/dry double sided wand eliminates all small dust particles and chemically bonded debris. You must remove all contaminants, or your sensor is not clean. The SensorWand does the job. Fifteen (15) wands included. SensorSolution SensorSolution is specially formulated to leave no residue yet break the chemical bond that causes dirt, dust, oils and debris to adhere to the sensor. SensorSolution when used as directed easily wipes away. This quick drying formula is alcohol free and safe for all air travel. One (1) .25 oz bottle included.