Procool model SL40B fans offer the most airflow in the Procool 40mm fan line.
Blue LED's light up when the fan is on.
Airflow 10.4 CFM at 8000 RPM and Noise 32 dBA per fan.
! Noise - 32 dBA ✓ High Airflow - 10.4 CFM ✓ 3 Year Warranty
Specifications per fan
Specifications combined for multiple fans and panels