GrabWirelessUSA via eBay offers the refurbished Logitech Ultrathin Bluetooth Keyboard Cover for iPad in Black, model no. 920-004013, for $19.99 with free shipping. That's tied with our September mention and the lowest total price we could find for a refurb by $2. This aluminum keyboard is 8mm thick, doubles as a stand, and includes a USB port with charging cable. It's compatible with 2nd-, 3rd-, and 4th-generation iPads. Deal ends February 18 at 11 am ET.

Note: A 30-day warranty is provided, although it is unclear who backs it.