CPR Aquatics

Deluxe CS100 Overflow with Lid and Air Pump

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Discontinued by Bulk Reef Supply
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A built-in overflow is the most efficient method of draining aquarium water to a sump filtration system. If your aquarium does not have built-in overflow, a hang-on model-- such as the CPR Continuous Siphon (CS) Overflow-- is the best means for getting water from your aquarium to your sump without expensive modifications to the tank.

These CPR CS overflow boxes include an air pump to ensure continuous operation, even restarting in the event of a power outage. They quietly skim up to six times more water than units with tubes, and the Deluxe Models include standpipes, a venturi powerhead, and an acrylic lid for even quieter operation.

  • Adjustable water level
  • Black top to reduce algae growth
  • Quiet operation
  • Continuous siphon design
  • Grated inlet
  • Acrylic lid and air pump included



CS100 Specifications:

  • Flow Rate: 800 gph
  • Rec. Tank Size: Up to 175 gallons
  • Outflow Size: 1” Bulkhead
  • Width: 9 ⅜”
  • Dimensions (see photo): A: 7.5", B: 9", C: 1.5", D:1.5", E: 4.5" , F: 5 1/8", G: 9.25", H: 6", I: 3.25", J: 3 1/8", K: 3.75"



What's Included?

  • 1x Deluxe CS100 Overflow body
  • 1x Pre-filter screen and sponge
  • 1x Vent tube with small o-ring
  • 1x Bulkhead assembly
  • 4x Adjustment screws
  • 1x Airline
  • 1x Air pump
  • 1x Acrylic Lid
More Information
UPC 646392041964
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Product Questions

What size pvc works with this overflow?
Question by: Joseph Dandrea on Nov 10, 2021, 8:23 PM
This has a 1" bulk head and will take 1" PVC.
Answer by: Matt Lucero (BRS Staff) on Nov 11, 2021, 7:41 AM
How can I get just a lifter pump
Question by: Micheal toner on Nov 5, 2021, 2:18 AM
Unfortunately, we do have the pump as a stand alone product.
Answer by: Matt Lucero (BRS Staff) on Nov 5, 2021, 8:34 AM