This item is a Tool Kit manufactured by Arzel Zoning.
All the fittings and tools needed to install an Arzel Zoning system are included in the Took Kit. Includes tubing stapler, airflow indicator, duct finder, EzyHub air distribution reservoir, 200 sheet metal screws, 600 staples, 200 tee fittings, 25 elbow fittings, 25 coupling fittings, 25 plug fittings, enclosed in a tool case.