Noiseblocker NB-eLoop B14-3 140mm Bionic Loop Fan, 1400RPM, 104.93CFM, 28.5dBA Noiseblocker NB-eLoop B14-3 140mm Bionic Loop Fan 1400rpm Fan speed 28.5 dBA Noise level 104.93 CFM Airflow 140mm x 140mm x 29mm