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 three kits respectively contain the essentials for blowing pulling line thru innerduct. LINE BLOWING KITS Line Blowing Kit for 4 in. Conduit (for Schedule 40 pipe)This kit contains the essentials for blowing pulling line thru Conduit. 4" CONDUIT LINE BLOWING KIT Foam Line Carriers for 1 1/4 in. to 5 in. conduit. FOAM LINE CARRIERS Parachute Inflatable Carriers for 1 in. to 2 in. conduit. PARACHUTE LINE CARRIERS Duct projectiles are fast and efficient to run pull-lines DUCT PROJECTILES