Oase Hel-X 13 Biological Media, 20 Liters High Head 110v) A00221 617750002217 15W Ozone

110v) A00221 617750002217 15W Ozone UV Clarifier (2" Inlet/Outlet

and rinse cycles

SKU UPC Code Description 98906 742575989068 Liquid Barley Straw Extract

7cm 32cm 1pc Green

Oase Hel-X 13 Biological Media, 20 Liters High Head 110v) A00221 617750002217 15W OzoneOase Hel X 13 Biomedia is a biological media used in the ProfiClear Premium Compact Filters and Modules. Biological filtration by colonies of beneficial bacteria remove toxic ammonia, ammonium and nitrites. Hel X Bio media has a huge ratio of protected inner surface versus exposed outer surface so the agitation caused by the turbulent water does not damage the bacterial colonies inside the media. This keeps colonies clean and active without a loss of