Comes equipped with a 2. 125 inch to 2. 25 inch vacuum connector on the vacuum side to fit into all major brands of shop vacuums Crushproof hose is highly flexible and durable 20 full feet of length onto your shop vacuum is ideal for cleaning out cars, garages, or home shops Smooth hose interior for superior airflow 1. 25 inch swivel stub tube on the attachment end will work with all 1. 25 inch accessory tools and attachments.NOTE: The actual hose diameter is 1. 25 inches inner diameter, and both fittings come threaded on the hose