RedSea Reefer 350


Local Pickup Only Black Stand in stock.

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REEFER™ Specification

REEFER™ aquariums are constructed from thick, beveled-edge, ultra-clear glass to support their elegant and modern rimless design.


red sea reefer 350 marine aquarium system



The aquarium sits on a recessed base that “floats” it above the cabinet, which seamlessly follows the contour of the glass.



Red Rea reefer marine aquarium system



The marine-spec laminated cabinet that houses the sump, (and in the larger models also includes a dedicated, vented space for chillers) is smartly finished with weatherproof, epoxy-painted doors.


REEFER™ Water Management System

red sea reefer marine aquarium system - regulated downflow system


Removable surface-skimming combs surround the top of the centrally located overflow box that houses the downpipe, sump return pipe and the discreet multi-directional “eyeball” return outlet nozzle.


red sea reefer marine aquarium system surface skimmimg combs


In the event of a blockage in the regulated downpipe, an additional emergency overflow pipe provides an unrestricted free flow of aquarium water directly to the sump.


Red Sea Reefer marine aquarium system - Water management system


On entering the sump the water passes through a 225 micron mechanical filter bag, before entering the filtration compartment that maintains a constant water height, making it suitable for all skimmers and other reactors.


Red Sea Reefer marine aquarium system - filtration system


In order to remove any air bubbles that may have escaped from the skimmer, the water passes through a bubble-stripping cascade on its way to the return pump chamber.



To ensure a constant water level in the pump compartment, all REEFER™ sumps include an integrated automatic freshwater top-up unit,  guaranteeing a constant, stable water flow throughout the complete system.

Supplied as a complete self-assembly kit, all pipe work is ready without the need for any gluing.


Red Sea Reefer marine aquarium system - integrated automatic freshwater top-up unit


New and improved Refugium-Ready Sump Now Available For REEFER™ XXL & Peninsula Models


The REEFER™ Peninsula and XXL series have advanced sumps with the following exciting new features:

  • An adjustable height skimmer chamber, enabling you to set the water level (between 21-27cm / 8.3″-10.6″) for optimal skimmer performance.
  • A “Refugium Ready” sump with two pre-set positions allows you to decide how much of the sump you want for your skimmer and other reactors and how much as a dedicated refugium chamber.
  • 4 micron filter bags
  • Larger RO liter reservoirs that can be slid aside when necessary for pump maintenance.



  REEFER™ Models medium to large
Specification 350 425 450 525
Main Features Ultra clear front and side glass
Ultra clear front glass thickness (mm) 12 (1/2”) 12 (1/2”) 15 (5/8”) 15 (5/8”)
Built in surface skimmer
Integrated automatic top up system
Deluxe Features  AI Hydra 26™ HD (90W) 2 units 2 units 3 units 3 units
System Volumes Display tank water volume (L) 275 (73 gal) 332 (88 gal) 350 (92 gal) 409 (108 gal)
In cabinet sump water volume (L) 70 (18 gal) 90 (24 gal) 90 (24 gal) 116 (31 gal)
Total system water volume (L) 345 (91 gal) 422 (112 gal) 440 (116 gal) 525 (139 gal)
RO reservoir volume (L) 10.5 (2.8 gal) 12 (3.2 gal) 13.7 (3.6 gal) 16.5 (4.3 gal)
System Dimensions Display tank length (cm) 120 (47″) 120 (47″) 150 (59″) 150 (59″)
Display tank height (cm) 53 (21″) 55 (22″) 55 (22″) 55 (22″)
Display tank width (cm) 50 (20″) 57.5 (22.6″) 50 (20″) 57.5 (22.6″)
Total system height with cabinet (cm) 140 (55″) 142 (56″) 142 (56″) 142 (56″)
Sump Dimensions Water height (cm) 24 (9.4”) 27 (10.6”) 24 (9.4”) 27 (10.6”)
Skimmer chamber (cm) 42 x 34 (16.5”x13.4”) 49 x 34 (19.3”x13.4”) 42 x 48 (16.5”x19”) 49 x 48 (19.3”x19.3”)
Pump chamber (cm) 42 x 15 (16.5”x6”) 49 x 15 (19.3”x6”) 42 x 15 (16.5”x6”) 49 x 15 (19.3”x6”)
Return Pump 3/4” threaded hose barb – Pipe Int. Dia 16mm (5/8”) 25mm (1”) 25mm (1”) 25mm (1”)
Recommended flow (lph)
(pump not included)
(790 gph)
4000 (1060 gph) 4000
(1060 gph)
4000 (1060 gph




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