Designed to mount directly into a 19” cabinet, the OMB5200-120 Series dual-fan tray blower assembly from Orion Fans has a cleanable/replaceable aluminum mesh filter. The 3U tray delivers 340 cfm of directed airflow with a noise level of 57 dB. Options include adding a thermistor control, a tachometer output, a PWM input, a constant speed control, and/or a rotation detection alarm. From $330.00 each.
800-323-2439, www.orionfans.com