This video from oorail.com looks at the Bachmann 3-pack of 22 Ton Presflos in Tunnel Cement Livery. Presflos are used for transporting bulk cement. This pack consists of three high quality presflos in Tunnel Cement livery. These are pre-tops 1967-1971 but were still around well into the 1980s. This video also features the Heljan Class 33 and a Bachmann BR grey 20-ton brake van.