Eheim PROFESSIONAL 4 2273, 2373 & 2275 PROFESSIONAL 3 2073 & 2075 FILTER REPLACEMENT IMPELLER. GENUINE Eheim PART. REPLACEMENT IMPELLER TO FIT Eheim PROFESSIONAL 3 2073, 2075, 350 and 600,PROFESSIONAL 4, 2273, 2275, 2373 FILTERS. 50 Hz Part number - 7603330. IMPELLER ONLY Postage and Dispatch times - We aim to dispatch all items, …