Old Air Products Round Louver for 2" Duct Hose Vanes twist to control direction of airflow and push to open or close. 2-3/4" overall diameter, and requires 2-1/2" diameter mounting hole. ...

Tri-Vane Round In-Dash Louver, for 2" Duct Hose For 2-1/2" duct hose, see part #32-9X Overall Size: 2-1/2" Diameter Made in the ...

Round Dual Vane Louver, Chrome, for 2-1/2" Duct Hose 2-5/8" Diameter, Requires 2-1/2" hole for mounting For 2" duct hose, see part #32-13 Made in the ...

Small In-Dash Rectangle Louver, for 2" Duct Hose Overall Size: 3-15/16" wide x 1-1/2" tall  Requires 3-1/2" x 1-3/8" hole for mounting Made in the ...

Large In-Dash Rectangle Louver, 2" Duct Hose Inlet Overall Size: 4-3/4" wide x 1-1/2" tall Requires 4-3/8" x 1-3/8" hole for mounting Made in the ...

Large In-Dash Rectangle Louver, 2-1/2" Duct Hose Inlet Overall Size: 4-3/4" wide x 1-1/2" tall Requires 4-3/8" x 1-3/8" hole for mounting Made in the ...

Small In-Dash Rectangle Louver, for 2-1/2" Duct Hose Overall Size: 3-15/16" wide x 1-1/2" tall Requires 3-1/2" x 1-3/8" hole for mounting Made in the ...

Custom Molded Ash Tray Louver Vents for 1940 Ford, Pair Made in the ...

Round Dual Vane Louver, Chrome, for 2" Duct Hose 2-5/8" Diameter, Requires 2-1/2" hole for mounting For 2-1/2" duct hose, see part #32-13X Made in the ...

In-Dash Square Louver, for 2" and 2-1/2" Duct Hose Dimensions: 3-1/2" x 3-5/8" Requires 2-3/4" x 2-13/16" hole for mounting Made in the ...

Round Louver with Dual Popup Vanes, for use with 2-1/2" Duct Hose Twist to control the direction of airflow and push to open or close. 2-3/4" overall diameter, requires 2-1/2" diameter hole for mounting. ...

Old Air Products Metalized Tri-Vane Round In-Dash Louver, for 2" Duct Hose Overall Size: 2-11/16" Diameter Made in the ...

Metalized Tri-Vane Round In-Dash Louver, for 2-1/2" Duct Hose Inlet Overall Size: 2-11/16" Diameter Made in the ...

Louver Deflector w/adapt frame.  Rotating Lap and Floor Air Vent w/ Shutoff in Black Made in the ...

Square In-Dash Louver, 2" and 2-1/2" Duct Hose Inlet Overall Size: 2-7/16" tall x 2-1/2" wide Made in the ...

Large In-Dash Rectangle Louver, 2" Duct Hose Inlet For use with 2-1/2" duct hose, see part #32-8X Overall Size: 5-1/4" wide x 2" tall  Made in the ...

Large In-Dash Rectangle Louver, 2-1/2" Duct Hose Inlet For use with 2" duct hose, see part #32-8 Overall Size: 5-1/4" wide x 2" tall  Made in the ...

Tri-Vane Round In-Dash Louver, 2-1/2" Duct Hose Inlet For use with 2" duct hose, see part #32-9 Overall Size: 2-1/2" Diameter Made in the ...