Oase Hel-X 13 Biological Media, 20 Liters High Head it may require repositioning or

it may require repositioning or replacement

and rinse cycles

ETA Series

75" BYC582 36" 16" 7

Note: Full cases ship directly from the manufacturer in 3-5 business days

Oase Hel-X 13 Biological Media, 20 Liters High Head it may require repositioning orOase 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