1. Classic 90 HOB Protein Skimmer Classic 90 HOB Protein Skimmer
    $189.99

    Classic 90 HOB Protein Skimmer

    Ideal Hang-On-Back Skimmer Rated for up to 130 Gallons

    Footprint: 7.5″ x 7.5″ | Body Diameter: 4″ | Height: 23.8″ 
    Powered by: Reef Octopus Aquatrance 1000s Pinwheel Pump

  2. Classic 100 HOB Protein Skimmer Classic 100 HOB Protein Skimmer
    $149.99

    Classic 100 HOB Protein Skimmer

    Hang-On-Back Skimmer rated for up to 105 Gallons

    Footprint: 8″ x 3.75″ | Height: 17″ 
    Powered by: Reef Octopus Aquatrance 1000s pinwheel pump

  3. Classic 1000 HOB Protein Skimmer Classic 1000 HOB Protein Skimmer
    $189.99

    Classic 1000 HOB Protein Skimmer

    Hang-On-Back Protein Skimmer Rated for up to 130 Gallons

    Footprint: 8″ x 3.5″ | Height: 17″ 
    Powered by: Reef Octopus Aquatrance 1000s Pinwheel Pump

  4. Classic 2000 HOB Protein Skimmer Classic 2000 HOB Protein Skimmer
    $229.99

    Classic 2000 HOB Protein Skimmer

    Hang-On-Back Skimmer Rated for up to 200 Gallons

    Footprint: 10″ x 4″ | Height: 21″ 
    Powered by: Reef Octopus Aquatrance 2000s Pinwheel Pump

  5.   Classic 300 HOB Protein Skimmer Classic 300 HOB Protein Skimmer
    $209.99

    Classic 300 HOB Protein Skimmer

    Hang On Back Skimmer Rated for up to 150 Gallons

    Footprint: 11.5″ x 3.25″ | Height: 18″ 
    Powered by Dual Aquatrance 1000s Pinwheel Pumps