The professional 3 2073 is part ofthe new external filter generation with even more technical benefits than the professional ii seriesr comes complete with original eheim filter mediar summary of featuresr anew priming principler large pre filter for easy intermediate cleaning and extra long service lifer recessed handles and transport wheelsr maintenance and flow rate indicator adjustable pump outputr r technical specifications r r for tank litre 350 ltrr pump output 1050 ltrr canister vo