Air Ministry, Blower Type 4B 5UD/5738, 5U/5738, Snail Fan,

Air Ministry, Blower Type 4B, 5UD/5738, 5U/5738, Snail Fan,

Great cooler, powered up with 24VDC @ 300mA and moves a hell of a lot of air - bit like Mrs Mullard Magic in full flow!!!!!