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Continue to ChatAir Filter - 35mm, Sponge, Angled, Yimatzu Brand, Black - 60A2350BK - PBC41F1 - https://electricbikeusa.net/express-parts-catalog/air-filters/air-filter-35mm-sponge-angled-yimatzu-brand-black-60a2350bk-pbc41f1