SPECIFICATION: 1. Size available: 18inches 2. 120V 60Hz, 100W, 1520rpm 3. Motor: pure copper winding 4. Guard: powder coated 5. Accessory: three sets of hooks One set 2” diameter pipe. One set 3”x2” rectangular tube. One set for 3” square tube. Use the set that fits your application. Slip the appropriate hooks through the eyes in the fan guard and then over the tube you are going to hang the fan on. A chain and S hooks are also supplied should you wish to hang the fan in this maner. With either method the fan should hang vertical. MAINTENANCE Caution: Before proceeding make sure the electrical service to the fan is disconnected.Regular maintenance: Regularly scheduled inspection of all fan parts establishes a good maintenance routine. When the air is contaminated, maintenance may be required as often as once a month. Regular maintenance should include inspection and cleaning of all fan parts.The motor are sealed and no further and attention is required.