Herky Filters LLC (http://www.herkyfilters.com) is a division of Retro Filter LLC, manufacturer of filters for a wide variety of purposes. Herky Filters manufactures and sells reusable vacuum bags and canister filters to fit most wet/dry vacuums. These patent-pending products were developed by two successful inventors, Mark Herndon and Ernest Zavarol, who have a wide variety of other consumer and technology products to their credit.