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The Diode Dynamics 20mm headlight breather patch lets headlights vent while blocking moisture to prevent condensation. Intended for placement over a half-inch hole, the woven patches allow air exchange without admitting water, helping keep lenses clear and electronics dry. Sold as a set of four, they offer a low-profile, maintenance-friendly way to reduce fogging in sealed headlamp assemblies.
Diode Dynamics Breather Woven 20mm Set of 4
