1. IceCap 4 Inch Smart Fan IceCap 4 Inch Smart Fan
    $39.99

    IceCap 4 Inch Smart Fan

    4" Variable Speed Cooling Fan

    Excellent for Aquarium Canopies, Enclosed Stands & Cabinets.
    Dimensions:4.75" x 4.75"x 1" thick.

  2. IceCap 3 Inch Smart Fan IceCap 3 Inch Smart Fan
    $34.99

    IceCap 3 Inch Smart Fan

    3" Variable Speed Cooling Fan

    Excellent for Aquarium Canopies, Enclosed Stands & Cabinets.
    Dimensions:3.25" x 3.25" x 1"