Fits 6x12 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 7.75" W X 13.75" H (6" W x 12" H Duct Opening) MATERIAL – Nylon Tubing comes

MATERIAL – Nylon Tubing comes in a variety of colors and sizes

Outdoor use only

Use the measurement to determine right size to buy

6-2017/CSA B125

please take off your old floor register and measure the duct hole

Fits 6x12 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 7.75" W X 13.75" H (6" W x 12" H Duct Opening) MATERIAL – Nylon Tubing comesThe Listed size 6"x12" is for inside duct opening measurement, actual outside dimension is 7. 75"x13. 75" Stamped Face Steel Construction with 1 2" fin spacing for high air flow applications. Screws are included for easy installation White Powder coating with matte finish Individually packed with cardboard box for ultra protection