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The Lincoln Electric S27978-33 (MFG Part: 9SS27978-33) is an OEM replacement auto-darkening filter (ADF) holder designed for Viking series welding helmets. This plastic retainer utilizes a snap-in mechanism to secure the ADF cartridge and includes integrated slots for the installation of cheater lenses.
Features
OEM replacement component ensures exact fit and performance
Toolless installation design for rapid field replacement
Integrated cheater lens holders for added magnification support
High-impact polymer construction for industrial durability
Snap-in retention mechanism for secure ADF cartridge positioning
Compatible with internal digital interface helmet configurations
