I used it for one year on a tank I I have torn down. Cooled the tank by 6 degrees F. I was hitting 90 before I got this, it was the only reason I was able to keep fish in the tank.
Below is a link to the product for sale new.
* Powerful cooling fans increase air movement to reduce heat and humidity
* Easy-to-install cooling fans perfect for ventilating aquarium sump area
* Minimizes unwanted water temperature increase due to aquarium equipment
Large cooling fans provide powerful ventilation to reduce heat transference from aquarium equipment. Extremely quiet operation with adjustable positioning, perfect for sumps or for use in aquarium stands/cabinets to reduce humidity. Generates 10 times more cooling power than conventional fans to reduce temperature buildup by 5 to 7 degrees Fahrenheit. Easy to install - simply attach using screw-mounting brackets. High-quality plastic construction. 12V UL-Listed.
http://premiumaquatics.com/aquatic-supplies/SPI-AZ71023.html?fe_feedid=126&fe_code=SPI-AZ71023&utm_source=googlebase&utm_medium=CSE&utm_campaign=feedexact
Below is a link to the product for sale new.
* Powerful cooling fans increase air movement to reduce heat and humidity
* Easy-to-install cooling fans perfect for ventilating aquarium sump area
* Minimizes unwanted water temperature increase due to aquarium equipment
Large cooling fans provide powerful ventilation to reduce heat transference from aquarium equipment. Extremely quiet operation with adjustable positioning, perfect for sumps or for use in aquarium stands/cabinets to reduce humidity. Generates 10 times more cooling power than conventional fans to reduce temperature buildup by 5 to 7 degrees Fahrenheit. Easy to install - simply attach using screw-mounting brackets. High-quality plastic construction. 12V UL-Listed.
http://premiumaquatics.com/aquatic-supplies/SPI-AZ71023.html?fe_feedid=126&fe_code=SPI-AZ71023&utm_source=googlebase&utm_medium=CSE&utm_campaign=feedexact
