HEF500BAA Rack Fan, AC, Square, 500 CFM 12.72" L x 12.72" W x 6.10"
H (323.0mm x 323.0mm x 155.0mm)
Delta Electronics / Fans HEF Series AC Filter Fans
Delta Electronics / Fans HEF Series AC Filter Fans are equipped
with a high-efficiency fiber structure that removes a wide variety
of dust particles. These AC filter fans operate at 115VAC and 230VAC power input voltage and -15°C to 55°C temperature range. The HEF
series offer 50Hz or 60Hz frequency.