Safran Power manufactures or catalogues a 28 VDC blower with part number 101-384176-1 and NSN: 1660-01-300-4507. The operating voltage ranges from 18 to 32 VDC, with a maximum current of 28 amps. The operational speed is 4,300 rpm and the airlow is 500 cfm depending on static pressure. The blower is used on commercial and military fixed-wing Beech aircraft. Buy Now! https://naasco.com/product/blower-101-384176-1/