Check the listing for details. Dental SE Saliva Ejector Weak Suction Rubber Snap Tip Adapter Replacement. Condition: New. Listed at 3.79 USD. Features:Size app: Length: 2.1cmSmall Hole: Inner Dia:0.65cmLarge Hole: Inner Dia:0.8cmMaterial: RubberColor: As picture showConversion: 1cm=0.39inch/1 inch=2.54cmQuantity: 10/30/50PCS Package Included：10/20PCS Weak Suction Adapter Replacement Note:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.3.Thank you for your kindly understanding. FDA Statement：The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.