The Model-M in comparison to the standard model-C, is a little bit smaller and used for lighter frequented traffic areas.
Like the previous model, the model-M has two flapper inlet doors, one on the front and one on the back.
The Model-M in comparison to the standard model-C, is a little bit smaller and used for lighter frequented traffic areas.
Like the previous model, the model-M has two flapper inlet doors, one on the front and one on the back.