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Description: These disposable mouthpieces are a direct replacement fit for many alcohol tester models. Made of plastic, safe and non-toxic. Portable size, easy to carry and use. Clean and hygienic. Professional tool for all Alcohol Tester. Specification: Material: Plastic Color: White Size: About 15*20mm Quantity: 20pcs/bag Package includes: 20pcs/bag x Mouthpieces Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.