The ideal filtration media in any type of filter! Ultimate Tube Media is a floating media with a higher biofilm surface than other plastic media. 

Available in 1 cubic foot and 3.5 cubic foot formats.

Round, tubular filter media with multiple internal baffles which create tremendous additional surface area for beneficial bacteria.
Contains nearly 500 square feet of surface area in every cubic foot of media
5/8" diameter x 3/8" long tubes

Ultimate Tube Media is included in EasyPro bead filters