Replacement air filter brand & part number for 273 Commando Silenced air cleaner

This shows to be the original Mopar part number, 1946923.

Here is one that is currently on eBay that starts at $29 but has no bids.

[ame="http://www.ebay.com/itm/AIR-CLEANER-CHRYSLER-IMPERIAL-DESOTO-DODGE-etc-1958-59-60-61-MOPAR-1946923-/400782458638?pt=Vintage_Car_Truck_Parts_Accessories&hash=item5d507eff0e&vxp=mtr"]Air Cleaner Chrysler Imperial DeSoto Dodge etc 1958 59 60 61 Mopar 1946923 | eBay[/ame]