Marine Holding Tank Vent Filter Kitcamcos Marine Holding Tank Vent Filter Kit Helps Eliminate Odors That Are Released From Your Boats Holding Tank Vent It Features Granular Activated Carbon (Gac) For Maximum Odor Control This Allows Odorous Gases To Be Properly Filtered, Helping Absorb Any Holding Tank Smells Kit Installs Easily To Your Boats Vent Hose The Product Includes A Filter, Mounting Bracket, And Fittings For Standard Garden Hose Connections, 34-Inch, And 58-Inch Barbed Hose Connections The Mounting Bracket Measures 12-18-Inches (L) X 2-34-Inches (D) X 2-34-Inches The Filter Will Last An Entire Boating Season Or More, Depending On The Usagefeatures:Helps Eliminate Odors: Kit Helps Eliminate Odors That Are Released From Your Boats Holding Tank Ventprovides Maximum Odor Control: Filter Contains Granular Activated Carbon (Gac) For Maximum Odor Controlincludes: A Filter, Mounting Bracket, And Fittings For Standard Garden Hose Connections, 34-Inch, And 58-Inch Barbed Hose Connection