Floor Duct 2.5″Wide X 6′ Long

https://nsiindustries.com/product/floor-duct-2-5wide-x-6-long/

Floor Duct BLK 2.5″WX6’L

Floor Duct 4″ Wide X 6′ Long Off White

https://nsiindustries.com/product/floor-duct-4-wide-x-6-long-off-white/

Floor Duct 4″WX6’L Off WHT

Floor Duct 4″ Wide X 6′ Long Black

https://nsiindustries.com/product/floor-duct-4-wide-x-6-long-black/

Floor Duct BLK 4″WX 6’L