* Capacity: 1 1/2" ~ 6" *Integrated, one piece injection nozzle. Insures uniform distribution of CO2 around pipe. * Especially designed jackets from a "Natural Pocket" wich enables the "Dry Ice" to mold completely around the pipe. * Quick Release Tab - for easy jacket removal. * High bulk nylon cord tightly secures jacket to pipe. * Easy to follow instructions for each type pipe size. * No CFCs - Environmentally safe.