*1 ROTAIRE D&W 4" ROUND BROWN HEAT/AC OUTLET VENT RV CAMPER BOAT FREE SHIP

MEASUREMENT: OVERALL 6 3/8" ROUND AND IS DESIGNED TO ACCEPT ALL TYPES 4.75" FLEX DUCT

WITH 1 5/8" CEILING SPACER

3/47" SPACING BETWEEN EACH LOUVER THAT OPENS

360 DEGREE ROTATION

MATERIAL: PLASTIC

COLOR: BROWN

BRAND NEW