Eheim Set of Sealing Rings for 2071-2075 (7428770)
Compatible Coarse Prefilter Pad Fit for Eheim Professional 3 250/250T/350/350T/600 2071/2073/2075 and Eheim Pro 3e 350 2074 - AliExpress
EHEIM Float Anti Return EHEIM 2071-78 And 2171-78 Ref 7428728 | eBay
Eheim Pre-Filter Basket for 2071-2075 (7428760)
Amazon.com : LTWHOME Replacement Coarse Blue Pre-Filter Foam Fit for Eheim Pro 3 250, 250T, 350, 350T, 600/ Ultra G Pro 3 Filter 2071,2073,2075 and Eheim Pro 3e 350/2074 (Pack of 6) : Pet Supplies