Specification Brand : YWBL-WH BulletPoint1 : The parts are tightly connected and leakproof; selected material ensures strong . BulletPoint2 : rubber is made by processing, whixh has strong elasticity, soft hand feeling and rapid inflation. BulletPoint3 : Laboratory rubber ball is made of high‑quality rubber, which is , tasteless, and . BulletPoint4 : Thickened air sac is explosion‑proof and rupture‑proof, which is very practical. BulletPoint5 : Easy to operate, connect the rubber air pipe to the instrument or equipment that needs to be refilled, and manually squeeze the rubber ball. Color : Gold ControlMethod : touch ExteriorFinish : Brass IncludedComponents1 : 2 * Male 1/4" NPT - Male 1/4" NPT Ball Valve IncludedComponents2 : Seal tape ItemName : Rubber Squeeze Bulb Rubber Inflation Bulb Syringe Ball Laboratory Rubber Ball Lab Pipettor Accessories with Tubing Air Valve ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 23 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 4 ItemTypeKeyword : industrial-ball-valves Manufacturer : YWBL-WH Material : Brass ModelName : YWBL-WHmvexfia58h ModelNumber : YWBL-WHmvexfia58h NumberOfItems : 1 NumberOfPieces : 2 PartNumber : YWBL-WHmvexfia58h ProductDescription : Specification: Item Type: Rubber Squeeze Bulb Material: Rubber Purpose: The rubber trachea is connected to the instrument and equipment that need to be refilled (automatic burette, safety refueling syringe, etc.), and the rubber ball is manually squeezed to play a positive pressure to pressurize the instruments and equipment to get the required pressure. Product Composition: It is composed of rubber tube, air sac, choke valve, rubber ball and air inlet valve. Overall Length: Approx. 410mm / 16.1in