Fan Diameter (in.) : 30

{"catalogEntry": { "catalogEntryIdentifier": { "uniqueID": "200486584", "externalIdentifier": { "partNumber": "21579" } }, "description": [{ "fullImage": "/images/product/images/21579_med.gif", "shortDescription": "Maxxaire Exhaust Fan with Shutter — 30in., Model# IF30", "longDescription": "This Maxxaire Exhaust Fan with Shutter is ideal for use in larger barns, greenhouses and commercial applications requiring superior heavy-duty air exhaust. U.S.A." }], "offerPrice": "Only $399.99", "wasPrice": "", "salePrice": "", "productRating": "4", "productNumRatings": "1", "shippingStatus": "In Stock" }, "catalogEntryURL": "http://www.northerntool.com/shop/tools/product_200486584_200486584" }