Specifications:

Fan model: 3010
Main Material: stainless steel
Working voltage: 12V
Dimensions: 79 x 38 x 36mm/1.7" x 1.6" x 0.3"
The dual fan can help with heat dissipation, avoid the nozzle be blocked.

Package includes:
1 x UM2 dual fan bracket
2 x 3010 12V cooling fan