Overflows

Overflows and overflow boxes are a simple, yet effective way to get water from your display aquarium down to a sump where your filtration equipment is housed. Available in two main styles—internal overflow boxes designed for drilled aquariums where gravity does the work, or HOB (hang on back) overflow boxes where a siphon brings water up and over the lip of the aquarium.
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33 Items

  1. Prodigy M Low Profile Overflow Box (700 GPH)
    Eshopps
    Prodigy M Low Profile Overflow Box (700 GPH)
    $179.98

    $179.98
  2. Prodigy L Low Profile Overflow Box (900 GPH)
    Eshopps
    Prodigy L Low Profile Overflow Box (900 GPH)
    $199.98

    $199.98