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

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