CPR CS50 Aquarium Overflow Box
A built-in overflow is the most efficient method of draining aquarium water to a filter. If your aquarium does not have built-in overflow, CPR Continuous Siphon Overflows/Prefilters are the best means for getting water from an aquarium to a filter system without expensive modifications to the tank. They quietly skim up to six times more water than units with tubes.
The advantages of CPR Continuous Siphon Overflows/Prefilters include:
- Adjustable water level allows you to easily change the level in your tank.
- Black top reduces algae growth.
- Quiet operation.
- CS Overflows feature a grated inlet.
Specifications:
- Model: CS50
- Flow Rate: 300gph
- Outflow Size: 3/4" Bulkhead
Item No. OF-CPR-CS50
3 Reviews
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Awesome product and customer service.
Great product as describe, quiet and easy to setup. <br>The best was the customer service, great job with quick response. Thanks guys. Excellent service!<br>Fast delivery.
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Quiet overlow
This is a very quiet overflow. I wish it was easier to clean, but after all I'm really satisfied with it.
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If You Must Overflow
Typical CPR heavy-duty construction. The siphon-maintaining pump assures me that the siphon will not break so long as the pump is working. But I wish there was a way to positively connect the hose to my sump; right now my hose black-taped into the bottom of the CPR overflow.
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CPR CS50 Aquarium Overflow Box 
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