"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)
"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)

"Coral Box D300+" DC Controllable, Float Valve Auto Shutoff, Battery Backup Compatible Protein Skimmer (40-100 Gallon Full System Capacity)

Brand: Coral Box
Item Number: CRBX-D300

Regular price $274.99 On Sale


Only 2 left in stock!

Estimated Arrival: Between Jun 16 and Jun 22. *ETA for USA only. For accurate lead times, call us at 727-214-7750

Large, Custom, Or Backorder: Arrival Times May Vary.

Shipping Policy: Little or No Shipping Charges for Regular-Sized Items; We Cover Part of the Freight Costs for Large Items Shipped Nationally. See Shipping Policy.


Dimensions: 7.87"L (with Gate Valve) x 5.91"W (without Gate Valve) x 19"H

  • Neck Diameter: 2.5"Dia
  • Collection Cup Diameter: 5.91"Dia
  • Collection Cup Height: 4.72"H

Power: 12W Max

Skimmer Pump: Coral Box DCA 1200

  • click / tap to view the Coral Box DCA 1200 Pump
    • 50-300 GPH
    • Adjustable in 10% increments from 10% - 100%
    • Sine Wave Technology makes skimmer operate whisper quiet
    • DC Controllable enables active skimmer tuning through the pump controller, and prevents having to reach inside the stand to manually tune a gate valve
    • Built-In Feed Mode for periods of 10, 30, and 50 minutes
    • Slow Startup Function gradually increases power up over a 30 minute period to the previous speed setting after Feed Mode ends

Float Valve Safety: Yes

  • Included Float Valve Auto Shutoff instantly turns off the skimmer pump and sounds an alarm if collection cup becomes too full, avoiding collection cup overflow which can release harmful contaminants back into the system

Battery Backup Compatible: Yes

Warranty: 12 Months

  • US-Based in Wakefield, Rhode Island for all servicing and replacements

Have any further questions that aren't answered here? We'd love to hear from you, and learn how we can help you be as successful as possible in this wonderful hobby.

You can call in to 727-214-7750 to speak with Tyler from our team to determine how to create your Ideal Aquarium Build.

Also feel free to reach out to us at info@twotidesaquariumsupply.com and we will aim to respond back within the next few hours.

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