K&N Air Filter Store Demo Machine Ball Air Flow Display Gas Oil Garage Man Cave. This is a really cool mancave garage type item. 2 fans spin pulling air through the filters, making a ball rise in a tube, thus showing how much better the air flow is through the K&N filter over the competitor.Please see the images of the actual item above for a better idea of the condition and what's included. We have a large variety of items for sale so please feel free to browse our Store. Enjoy the day and thank you for looking! The item "K&N Air Filter Store Demo Machine Ball Air Flow Display Gas Oil Garage Man Cave" is in sale since Thursday, December 9, 2021. This item is in the category "Collectibles\Transportation\Automobilia\Other Automobilia". The seller is "russelpope0" and is located in Blandon, Pennsylvania. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay, Russian federation.