Dophin H80;- DoPhin H100 is a mechanical and biological filtration in one system that improves water clarification which work 185 L/H. The filter is perfect for both freshwater and marine tank. Dophin H100;- DoPhin H100 is a mechanical and biological filtration in one system that improves water clarification which work 350 L/H. The filter is perfect for both freshwater and marine tank. Dophin H200:- DoPhin H200 is a mechanical and biological filtration in one system that improves water clarification which work 370 L/H. The filter is perfect for both freshwater and marine tank. Dophin H300:- DoPhin H300 is a mechanical and biological filtration in one system that improves water clarification which work 430 L/H. The filter is perfect for both freshwater and marine tank. Key Features: ● Special carbon cartridge to purify water and remove odor ● Offer housing compartment for the biological bacteria ● Bio cartridge enhances biological filtration and guaranties optimum colonization of nitrifying bacteria ● Easy to use, just fill up water and plug on ● Easy maintenance and effective performance ● Replace a new carbon cartridge for every 2 months to achieve best result Filter & Pump Specs