The spark arrestor is designed to prevent welding sparks or spatter entering and damaging the pre and main filters, it should be check periodically to ensure it is intact and clean.
Genuine Optrel accessory from an authorised partner: 4088.420

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The spark arrestor is designed to prevent welding sparks or spatter entering and damaging the pre and main filters, it should be check periodically to ensure it is intact and clean.
Genuine Optrel accessory from an authorised partner: 4088.420