Thumb Score: +28

Home Depot [homedepot.com] has Ryobi ONE+ 18V Cordless 4″ Clamp Fan (Tool Only) on sale for $19.97. Shipping is free.

Features:[LIST][*]Ability to clamp to materials up to 1-1/2 in. thick, including pipe and 2-by lumber[*]2 speed settings for varying airflow[*]Multi-directional rotating head to easily direct airflow[*]Over 40 hours of runtime using a P193 6.0 Ah battery on low (battery not included)