Great cooling fans provide powerful ventilation to reduce heat transference from aquarium equipment. Extremely quiet operation with adjustable positioning, perfect for saltwater aquarium(reef & frag tank) and fresh water aquarium.

Features:
No assembly required, easy and convenient for use.
Easy installation(clamp mounting bracket).
High quality plastic construction, powerful cooling fans.
Increase air movement to reduce heat and humidity.
Extend longevity of your lighting system.
Low power consumption, adjustable 2 level of wind force.
With a AC adapter, powered by DC 12V.
Angle adjustment, perfect for saltwater aquarium(reef & frag tank) and fresh water aquarium.

Note:
Clamp mounting bracket can fit over aquarium walls up to 1/2"(12mm) thickness.

Specifications:
Color: Black
Material: Plastic
Plug Type: EU Plug / US Plug / UK Plug(Optional)
Type: 1 Fan / 2 Fans / 3 Fans / 4 Fans(Optional)
Fits Tank Rim up to: 12mm (adjustable)
Voice Level: ≤40dB
Cooling 2-4 degrees
AC Adapter: 100-240V 50/60Hz
Power Supply: DC 12V 0.6A
Item Size: Approx.
1 Fan: 10.7 * 12.5 * 6.5cm / 4.2 * 4.9 * 2.56in
2 Fans: 20 * 12.5 * 6.5cm / 7.9 * 4.9 * 2.56in
3 Fans: 30 * 12.5 * 6.5cm / 11.8 * 4.9 * 2.56in
4 Fans: 39 * 12.5 * 6.5cm / 15.35 * 4.9 * 2.56in
Item Weight: 1 Fan: 194g/6.85oz; 2 Fans: 356g/12.58oz; 3 Fans: 523g/18.46oz; 4 Fans: 681g / 24.04oz
Package Size:
1 Fan: 13 * 11.2 * 7.2cm / 5.12 * 4.4 * 2.83in
2 Fans: 21 * 13 * 7.5cm / 8.3 * 5.12 * 2.95in
3 Fans: 30 * 13 * 7.5cm / 11.8 * 5.12 * 2.95in
4 Fans: 40 * 13 * 7.5cm / 15.75 * 5.12 * 2.95in
Package Weight: 319g~874g / 11.27oz~30.84oz

Package List:
1 * Cooling Fan
1 * Power Adapter