Fluval U1 Underwater Filter

From the Fluval range. U series: U1 internal filter. Great for use as a primary filter in smaller aquariums or as a supplementary filter for larger aquariums. Also great for tanks with low water levels. Adjustable flow: Minimum output provides even, gentle flow for planted aquariums, Maximum output provides better circulation & oxygenation. Adjustable fit to suit every need, can be placed both horizontally or vertically. Flip top for quick & easy maintenance (includes u1 foam). Removable central core allows use of chemical/ biological media. High quality, manufactured in italy. Ideal for both freshwater & saltwater. For aquariums up to 55 ltrs (15 us gals) - 250 ltrs per hour flow rate.