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Eheim 2128 O-rings

1K views 3 replies 2 participants last post by  snafu 
#1 ·
#3 ·
Correction!

Once I got the o-rings off, I was able to take more precise measurements and compare them to the rings I had. The Eheim filter actually takes an o-ring with a 3/32" sidewall and a 1 3/16" overall diameter. I did some checking and found that this o-ring is officially a #120. I found them available on Amazon at $6.50 for 25 of them. Ace Hardware also had a very extensive collection of them available at $.49 each.

That being said, the ring I used, a #18 with a 1/8" sidewall and a 1 3/16" overall diameter also seems to have done the job.
 
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