Product details:

For use with Mityvac hand vacuum pumps to remove trapped air from power steering systems. Each adapter is designed to fit snugly in the neck of the power steering reservoir to form an air-tight seal when vacuum is applied. Includes Mva660, Mva661 and Mva662. Adapters form an airtight seal in the neck of a vehicles power steering pump, allowing for air evacuation. All three adapters include an inline, barbed connection for a 1 - 4 in. internal diameter hose. These adapters will work with your Mityvac and most other brands hand vacuum pumps. A 90-degree barbed connector, Mva665, is available separately and can be interchanged with the inline connector on Mva661 and Mva662 for applications with limited overhead access. Featuring a robust design and construction.