12" X 16" or 16" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 17.75] Compatible with Duct 4" Easy To Use – With Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Easy To Use – With this comfortable handle you will have no trouble doing your cuts - strong grip handle - easy to switch out blade

And The Cooler Air From Outside WIll Flow In From The Bottom

exhaust fans and range hoods that need turns from 5° - 90° degrees and are simple to adjust

+ Product Details Size & Compatibility – The size of sheet metal pipe is 14" round x 24" long

Upgrade your air distribution strategy today – invest in the efficiency and convenience of the 6" Butterfly Damper

12" X 16" or 16" X 12" Heavy Duty Floor Grille Fixed Blades Air Grille Brown [Outer Dimensions: 13.75 X 17.75] Compatible with Duct 4" Easy To Use – With Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Easy To Use – With this comfortable handle you will have no trouble doing your cuts strong grip handle easy to switch out blade And The Cooler Air From Outside WIll Flow In From The Bottom