Description Hailea HL-BT700 Internal Filter 10 watt 690 l/h flow 70-250 litre tank ~ The filter with 2 types of media ~ Special filter sponge ensure excellent mechanical filtration while actived carbon keeps water clean and odour-free. Additionally, the oxygen-generating function also makes it outstanding from other similar filters. Features:- * High quality resin to seal the winding and never leak electricity * High quality bio-chemical filtration sponge which is suitable for breeding nitrifier * Special structure carbon box which is better for releasing the impurity in the water. These filters are suitable for tropical or coldwater – If you want an adjustable flow filter, please check out the Hailea RP600 Version We find these efficient and very affordable.
