The ATTC 42.0001.5541 MIG Torch Diffuser is a replacement diffuser from American Torch Tip designed for Fronius‑style MIG torches. It is identified by part number 42.0001.5541 and is marketed as a Fronius‑style MIG torch part within ATTC’s diffuser lineup. This diffuser is intended for use with compatible Fronius MIG torch systems.
