SEEKR Ultimate, 747DCWCS, Direct Wire 12V Compact Grill-less, Easy to Clean, 2-Speed Cabin Fan, 150/200 CFM 5.25" x 2.5" x 8.0", White

Nice bit of kit. I have it in my boat to keep the air fresh over the winter - it drained the batteries, but that was the fault of the solar regulator it was connected to - which I've returned.