Central Vacuum 2" PVC Stop Coupling Fitting Used for Rough In 

The part number showing for this product is VM102 and is shown for AirVac Central Vacuum Systems

The Model VM102 Straight Coupling Fitting is a white 2-inch PVC coupling specifically designed to have low internal surface friction for air handling use in central vacuum system applications.

·  Fitting for straight connection of two central vacuum 2-inch PVC pipes

·  Low internal surface air friction