The Stovebolt Site Forums The Parking Lot Big Bolts Hydro-Vac Breather

In another post somebody was asking about a canister behind the seat in which someone replied that is was the Hydro-Vac Breather.

I didn't remember seeing anything like that behind my seat so I went out and checked and sure enough, it's missing....My truck is a 1966 C60. Where can I purchase a complete breather assembly? There is nothing but the tube coming up behind the seat. Thanks...