【Size】:3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm. Red Solid Silicone O-Ring Cord Water Seal Gasket Sealing Strip Round Seal 3-20mm. 【Material】: Silicon.
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