Works fine. No issues .

Brand: Boyu

Model: FS-606 clip-on aquarium cooling fan system

Type: multi-fan cooling unit designed for aquarium tanks and sumps

Color: Black

Electrical rating: DC 12V, 0.72A as printed on the housing; production date 2017-04

Manufacturer: Guangdong Boyu Group Co., Ltd.

Includes AC adapter model BX-1201000 with input 90-264V 50/60Hz and output 12V 1A, standard two-prong plug

Features: six small cooling fans arranged in a single bar, dual adjustable mounting clamps for attaching to the aquarium rim, on/off rocker switch on the end cap, DC power jack, protective front and rear fan grilles, wired power connection

Suitable for freshwater or saltwater aquariums where extra evaporative cooling is needed

Includes Boyu FS-606 cooling fan assembly and 12V power adapter as shown

Keywords: aquarium fan, tank chiller, fish tank cooling, reef tank, Boyu FS606