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5 1/2" Face 4" Back BEIGE Round Rotaire Grille Damper Heat AC Register Vent RV

$ 2.61

Availability: 1754 in stock

Description

5 1/2" Face 4" Back
DURA BEIGE Round Rotaire Grille Damper Heat AC Outlet Register Vent 3840RDB RV Trailer
*Unique worm-drive damper (
A
worm drive
is a
gear
arrangement in which a
worm
(which is a
gear
in the form of a screw) meshes with a
worm gear
(which is similar in appearance to a spur
gear
). The two elements are also called the
worm
screw and
worm
wheel.
*Center knob opens and closes the vent wings. In fully open position the vent wings are completely retracted allowing 100% unrestricted air flow.
*360 rotation
*Easy installation and long term durability.
*Accepts 4" flex duct.
See tape measure pictures.
Approximate size:
Grille face diameter 5 1/2"
Back diameter 4"
Side: 2"
Please let me know if you have any questions.
Thank you,
Babette