Dundas Jafine ProMax™ Exhaust Hoods 4" Size:4" heat reflective and light reflective

heat reflective and light reflective - making it an ideal choice for sealing aluminum faced insulation seams and joints

or 1-5/8" O D

Allows The Height Of The Valve To Be Set After Installation & Even Under Pressure

Extra weight capacity for high working loads

Each bottle includes 50 test strips packaged in a waterproof PopTop bottle with a hinged cap

Dundas Jafine ProMax™ Exhaust Hoods 4" Size:4" heat reflective and light reflectiveDundas Jafine ProMax exhaust hoods feature a robust, wide mouth cap for optimum airflow and snug fit backdraft damper that helps to prevent cold air, snow or rain from entering the home. The damper has been redesigned for superior noise reduction. Additional features include a removable pest screen that helps to keep pests out and allows for easy cleaning of the duct as well as a snap on pipe to cap assembly that eliminates the need for lint trapping