The GMP family of Line Blowing products are designed to be both rugged and modular. Available are a collection of interchangeable accessories that will allow you to efficiently blow line ranging from .75 in. innerduct to 5 in. conduit. These kits contain the essentials for blowing/pulling line through innerduct. The kit includes: Control valve; 1/4 in. Pulling Line Adapter; 2 claw Chicago fitting for connecting to the air supply; Quick disconnect fitting for attachment to the sealoffs; Solid Plug for pressurizing ducts; A protective carrying case.