Superfish Aqua-Flow 100 Internal Filter 200L/H Compact internal filter providing optimal filtration and clean, clear water. Ideal for coldwater and tropical aquariums between 50 and 100 litres. Features an ‘Easy-Clean’ Click system for easy maintenance. Dual action filter medium with activated carbon removes organic contamination, chemicals and dyes from the water. 100% open structure foam provides optimal filtration and bacterial growth area. Adjustable flow rate (50-200 litres / hour).