These heavy-duty filters are designed with large ponds in mind. The Biotec 30 contains filter mats, foams and brushes which makes it very effective at removing waste particles, while the 12, 18 and 36 contain foams and a 'Screenmatic' electric filter which sifts out solids into an easy to empty collection basket.
Biotec 30 Features:
A variety of foams to provide large surface area for friendly bacteria
Simple to clean and maintain
Sludge drain
Mechanical (foams and brushes) and biological (friendly bacteria) filtration makes sure your pond is cleaned effectively
3 year guarantee
Compatible with the Oase Bitron UVCs
Biotec 12, 18 and 36 Features:
Screenmatic for separation of debris up to 0.3mm
Easy to clean - foams do not need to be removed from the filter for cleaning
Foams provide filtration and a large surface area for friendly bacteria