Opening/closing damper prevents outside elements from entering the vent. Damper is spring loaded to keep damper closed when not in use. For 3-1/4″ x 10″ duct. Damper spring controlled. Aluminum. Mill finish.
Cordless is the safest option for a home with small children and pets. Lift or lower the blind to adjust height by holding the bottom rail. Open or close the slats by the wand control. Light filtering mini blind, provides light control while creating privacy. Hardware and instructions included for…