Lambro 302L 4" x 8' Flexible Semi-Rigid Aluminum Duct supco de838 5400 watt and includes protective rubber boots

and includes protective rubber boots

gov/pesticide-registration/list-n-disinfectants-use-against-sars-cov-2-covid-19) or the CDC website (https://www

Professional Finish & Durability

heat-treated alloy steel

The formula is non-toxic

Lambro 302L 4" x 8' Flexible Semi-Rigid Aluminum Duct supco de838 5400 watt and includes protective rubber bootsLambro 302L 4 x 8 Flexible Semi Rigid Aluminum Duct Semi rigid aluminum duct is ideal for applications where building codes require use of all aluminum duct. The duct is totally non combustible with a maximum operating temperature of 400F. This premium semi rigid, aluminum, flexible yet rigid patented duct is recommended over conventional semi rigid and foil ducts. This duct requires no elbows as it can form tight 90 degree turns, requiring less space