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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13 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

  3. Eclipse S Overflow Box (600 GPH)
    Eshopps
    Eclipse S Overflow Box (600 GPH)
    $139.98 $139.98

  4. PF-1000 HOB Overflow
    Eshopps
    PF-1000 HOB Overflow
    $149.98 $149.98

  5. PF-300 HOB Overflow
    Eshopps
    PF-300 HOB Overflow
    $119.98 $119.98