Gustafson is the world leader in HVAC air duct systems. The company's HV2 self sealing gasketed fittings provide the tightest fitting ducts available, that are easy to install and do not require the sealant that is normally required for most duct systems.

The company's HV2 line of self-sealing duct systems offers owners, engineers and contractors an easy-to-install, performance guaranteed duct system.

E. H. Gustafson & Co. is dedicated to producing a high quality product with first rate service to their customers.