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CPR Bak-Pak 2 Collection Cup O-Ring

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CR1133

This item has been discontinued.

CPR

Replacement O-Ring for BakPak waste collection cup


Manufacturer Info

CPR Aquatic Aquarium Supplies
In Arcata, located in Northern California, the sea is a way of life. From the advanced Marine Biology department at Humboldt State University, just up the hill from CPR’s headquarters, to Humboldt Bay, about a mile west, CPR is nestled in a perfect environment to develop equipment for marine aquariums. CPR was started in a small garage in 1987 to produce biological filters for local aquarists. People who used CPR filters were impressed by the high quality and affordable prices. Word spread and the company grew. Since then, CPR has expanded to a 10,000 sq. ft. production facility and has developed many innovative products over the years. CPR is incorporating new ideas and technologies all the time. Their goal is to allow aquarists to place the highest performing products in their tanks at reasonable prices.

10 Reviews

BARBARA WALTE from EXETER, CA UNITED STATES

06/28/2014

Experience Level: Expert

O-Ring

The O- ring works great. My skimmer is working again just as it was designed. Thank you.

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STEPHEN GLOVER from GLEN ALLEN, VA UNITED STATES

12/25/2013

Experience Level: Expert

Original O ring

My original one eventually broke and this looks much better than rubber bands.

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DENNIS BEGLEY from MINNEAPOLIS, MN UNITED STATES

03/26/2013

Experience Level: Intermediate

Seems to work

When I ordered this I happened to see it on a search for replacement parts for my CPR Bak-Pak. My unit did not have one, figured I should be using one. I installed it. Not sure that it added any efficiencies to my Bak-Pak collection cup. Fits nicely on the outside but does not slide into the unit. What it does do is allow me to adjust how low the cup fits into the Bak-Pak though which hopefully will give me an extra tweak. Would I purchase one again? Sure, as cheap as it is why not have the option of moving the collection cup higher seeking the optimum efficiency.

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SUSAN M KEY from BAKERSFIELD, CA UNITED STATES

12/28/2010

Experience Level: Intermediate

Well worth it!

You don't know how much you need a new one until you get a new one! And, of course, the site is NUMBER 1 on my list of suppliers for all our Marine needs!

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DAN ROOS from REDWOOD CITY, CA UNITED STATES

12/21/2010

Experience Level: Expert

does the trick!

sure beats using zip ties as a replacement!

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JUSTIN HOFFMAN from MORENO VALLEY, CA UNITED STATE

06/12/2009

Experience Level: Intermediate

Small Package Big Results

I bought the O-ring for an older backpack that I had bought used without the o-ring. For such a cheap simple piece it has helped a lot with skimate collection. It allows you to more precisely control the level of the collection cup thus controlling your bubble/skimate density. If your backpack doesn't have one or you lost it, I would highly recommend replacing it, for a couple bucks you can't go wrong.

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CLAY WALBERG from ABERDEEN, SD UNITED STATES

03/08/2009

Experience Level: Beginner

oring

I am just new to the hobby, just started using the protein skimmer, the oring works well

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DAVE ROLF from WICKLIFFE, OH UNITED STATES

12/31/2008

Experience Level: Beginner

mr

as good as original

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ARLEE TAYLOR II from HAYWARD, CA UNITED STATES

07/31/2008

Experience Level: Intermediate

Works

works fine, hard not to. Probably would not have ordered if not getting other things too, a thick rubberband is just as good.

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DAVID C. from ALLENTOWN, NJ UNITED STATES

07/20/2007

Experience Level: Intermediate

Lord of the Ring!

This replaced my old and dried out ring perfectly.........works great again without fear of its snapping off. Spend the few bucks and replace it when needed.

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