Internal aquarium power head Specification-- Water filtration speed: Upto 1200 L/hour Electricity required:13w Tankage applicable: Up to 250 L Size:12.4cm x 7.1cm x 10cm Packing:24pcs/CTN/1.77' N. W. G. W. =19kgs/20kgs *the impeller is made of ceramics, wear-resisting, smooth running and durable. *easy way for installation, maintenance and cleaning. *long life, superior quality, and excellent performance. *silent device. *compact size *competitive price *brand-old, good reputation. All of our products are CE certificated; and export more than 30 countries worldwide. *made in Taiwan We are experienced and leading manufacturer in Taiwan, welcome for your inquiries and being our distributor!