EasyPro Ultimate Floating Biological Filter Media, 1 Cubic Foot Size::1 Cubic Foot Box Each feeder features a hidden

Each feeder features a hidden opening covered with a hinge lid for easily dispensing birdseed

Fixation Membrane Diameter Air Flow

The K Plus Advanced Filters (formerly K1 Micro Bead filters) are a game-changing filtration system that completely re-invents the bead filter

Safe for use with aquatic life and pets

Some are parts of the valve assembly: Valve Handle

EasyPro Ultimate Floating Biological Filter Media, 1 Cubic Foot Size::1 Cubic Foot Box Each feeder features a hiddenEasyPro Ultimate Tube Media is a round media with multiple internal baffles which create tremendous additional surface area for the cultivation of beneficial bacteria. 500 square feet of surface area per cubic foot of media Same media included in EasyPro bead filters 25 cu. ft. size ships by truck freight, which requires that you be present at delivery. Freight company will call to schedule an appointment.