Ideal for general purpose exhaust applications. Made from 3-ply aluminum foil laminate with a maximum operating temperature of 250 degree F. UL listed and marked. Not approved for dryer ducting.
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.
Replacement foam filter for wet/dry vacs. Should be used for wet pick-up only. Can be rinsed and reused. Compatible with Channellock 2.5-gallon and 4-gallon wet/dry vac.