Originally Posted by CKD-001

LordOdin99,

The manufactures fan are pretty crappy in that they are very noisy. I did not feel like spending that much cash anyway on a fan and followed a post to use small laptop fans and found that they are quiet as well as provide a breeze inside my goggles to cool me off as well. I ended up using the smallest fan I could find 17mm and it fit in the stock spot on my Proto Switch EL mask.