Oase FiltoSmart 300 Foam Set size-3-5kg as well as in the

as well as in the FiltoSmart external filter

with the incorporation of the revolutionary Hydro-Pure technology that uses Hydroxyl Radicals (•OH) to accelerate the startup time from the usual 4-5 weeks to within 1 week

The UV-emitting Scorpion Light will show you a new hidden world

The E27 Ceramic Socket is ideal as a free hanging fitting in wooden enclosures

Oase FiltoSmart 300 Foam Set size-3-5kg as well as in theThe Oase FiltoSmart 300 Replacement Filter Foam Set provides effective mechanical and biological filtration within your Oase FiltoSmart External Filter to keep your aquarium and its inhabitants happy and healthy. Mechanical filtration is the removal of debris and waste from the aquarium to provide clear water. Biological filtration occurs through the colonisation of your filter foams by beneficial bacteria which break down toxic ammonia and nitrite,