Broan 639 Wall Cap for 3-1-4 x 10 Duct for Range Hoods & Bath Ventilation Fans Liquid Wrench Lubricating Oil Stops

Liquid Wrench Lubricating Oil Stops squeaks and eases sticking parts

Nozzle Type - End 1: Female

a self-opening spring action

garage and workshop

The Lift Front design fits comfortably to the head and fits over regular eye glasses

Broan 639 Wall Cap for 3-1-4 x 10 Duct for Range Hoods & Bath Ventilation Fans Liquid Wrench Lubricating Oil StopsOverall sizing is 12 3 4 wide x 5 5 8 high. Duct fitting protrudes 4 7 8 from back of cap to allow proper fit to the ductwork (NOT for use with dryer venting). Equipped with a spring loaded backdraft damper and bird screen to keep nests and small animals on the outside. Wall cap is made of 24 gauge CRCQ steel construction with a black electrically bonded epoxy finish for durability and long life.