Highest Performance Fan with IP68 in Compact Sizes SANYO DENKI’s extensive lineup of IP-rated fan series now comes in a compact yet powerful 9WPA-Type with 40mm frame sizes; 40x20mm and 40x28mm. These fans currently provide the strongest cooling performance in the industry. The 40 x 20mm model delivers a maximum static pressure of 0.84 inches H2O … Continue reading The New 40mm IP68 Splash proof Fan For Outdoor Cooling