Utilising a specially designed core, the SMART Internal Filter cleans, detoxifies and teats the water with 3 filtration stages - Mechanical, Biological and Chemical. The main bio-foam compartment combined with the chemical filtration shaft ensures organic waste and their toxic by-products are effectively broken down, providing optimum conditions for your fish.
Features:

• 3 stage filtration for maximized cleaning efficiency
• Easy to use, no complication set up required
• Adjustable flow direction
• Adjustable flow rate
• Quiet and efficient
• Freshwater use only