- Speedi-Collar is made in the USA
- Saves time, labor, energy, and money with all the innovations Speedi-Collar has to offer
- The damper ratchet system allows you to adjust the damper into 6 different positions for optimal balancing
- Speedi-Collar features an integral gasket, a ¾-Inch wide flange and quick-zips for an air-tight connection
- Speedi-Collar is molded from high density, UV resistant resin making it durable, lightweight, dent and rust-proof.