SPLASH PROOF FAN Our waterproof fan was developed with the goal of being used outdoors over long periods of time. We now achieve expected lifetimes of 100,000 hours. Waterproof properties are available on IP55 for W-type and IP54 for WS-type products. The lower screen area is a clickable map. Click on the pictures or on frame size or thickness for a display of the appropriate product list. "IP XX"Protection Grade This grade is defined both JIS C090,"Degree of water-proof and protection against entry of solid bode for electromechanical device"and IEC529, "Degrees of Protection by Enclosures(IP code)" IP code is defined as"A coding system of degree of protection and relative items against approach to dangerous points,entry of outside solid body and penetration of water." In IPXX degree,the first"X"indicates degree of protection against approach to dangerous points,entry of solid body and the second"X"indicate degree of protection against penetration of water. The first characteristics The second characteristics