EHEIM 150 EXTERNAL FILTEREheim Experience 150 2422 External Filter. Top Eheim quality product with easy priming. Suitable for Aquariums between 80 and 150 litres. All media, Hoses and Taps Included and with 3 Year Gaurantee 500 litres per Hour 8 Watt 290 x 178 x 178mm Eheim experience have the fundamental benefits of our top external filter generation. With its predecessor, the professional, range Eheim launched the first ever external filter range with a square basic shape.