The 4039MX medium expansion foam attachment is designed to fit the Scotty 4037 and 4038 Fog Nozzles. The unit also fits the UFS 1575 Fog Nozzle. Generating a 5" (120mm) thick stream of medium expanded foam it will quickly lay down a foam firebreak for forest and grassland fires. For use against car fires, tire fires, haz-mat or any situation where a thick smothering foam blanket is required.
