10PCS/Lot Rubber Black NBR Thickness CS2.5 OD21/22/23/24/25/26/27/28/29/30*2.5mm O Ring Gasket Oil Resistant Waterproof.-.

10PCS/Lot Rubber Black NBR Thickness CS2.5 OD21/22/23/24/25/26/27/28/29/30*2.5mm O Ring Gasket Oil Resistant Waterproof.-.

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