This is a 3 Stage Coalescing Air Filter/Regulator/Dryer. The combination is designed to remove most liquid & solid particles from air supply.
The Coalescing Filter removes oil vapours which can get past standard filters & water separators while the Desiccant Dryer reduces humidity in compressed air lines which is an absolute must have for spray painting operations.
The self-relieving pressure regulator is used to adjust the outlet pressure between 0 - 150psi.
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