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Home » CPR CS90 Overflow Box
CPR CS90 Overflow Box
Avg. Customer Review (24) reviews
Item Code: CR1513
List Price: $144.95
You Save: 34.96 (24%)
Price:     $109.99  
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Availability: Usually ships the next business day
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  Description
  • For glass or acrylic aquariums up to 125 gal.
  • Flow rate 600 GPH.
  • 8" wide
  • 1" bulkhead outflow
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.
  • Plastic screen to prevent fish loss.
  • Quiet operation.
Tip: We recomond the use of an Aqua Lifter pump with the CPR overflows for trouble free operation. Another alternative is to hook the bleed hose from the overflow to the air intake of a power head. This way the overflow will continue to wok if it drawes some air into it or in the event of a power failure it will restart.

Overview and Installation


Customer Reviews

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7 of 10 people found the following review helpful:
Excellent!
Great by JOSH
Comments: It works well so save your money and buy this one. However do not buy a RIO High flow 17 it will quit on you in 3 months. Look into a Danner Mag drive. They have good reviews.
Yes, I would recommend this product to my friends.
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6 of 10 people found the following review helpful:
Excellent!
CS90 by Brent Cone
Comments: Work's great! better than tubes, i just love it!
Yes, I would recommend this product to my friends.