CPR Aquatics

Deluxe CS150 Overflow with Lid and Air Pump

In stock

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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



CS150 Specifications:

  • Flow Rate: 1600 gph
  • Rec. Tank Size: Up to 350 gallons
  • Outflow Size: 1.5” Bulkhead
  • Width: 9 3/8”
  • Dimensions (see photo): A: 9.5", B: 9.75", C: 2", D:1.5", E: 6 1/8" , F: 5.75", G: 9.25", H: 6 7/8", I: 4", J: 3.5", K: 4 7/8"



What's Included?

  • 1x Deluxe CS150 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
SKU 232542
UPC 646392040967
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Product Questions

If a replacement pump is needed for the overflow, can a replacement pump be purchased separately. Does BRS sell one?
Question by: Joel Sherman on May 18, 2022, 3:55 PM
Hey Joel, thanks for the question. We do not carry the exact pump needed. That said we do have other continuous duty pumps you can utilize. If looking to get the exact pump, it is best to reach out to CPR directly
Answer by: James Johnson (BRS Staff) on May 19, 2022, 10:08 AM