Fits 16x16 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 17.75"W X 17.75"H (16" W x 16" H Duct Opening)The Listed size 16"x16" is for inside duct opening measurement, actual outside dimension is 17. 75"x17. 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

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The Listed size 10"x 3" is for inside duct opening measurement

Actual outside overall dimensions is 9

• Protective Yellow Epoxy Coating – Smooth epoxy coating helps protect the connector from corrosion

The Listed size 14"x 2" is for inside duct opening measurement

Individually shrink wrapped with card board pad in the back for protection

this is the right size and will fit in well

If your duct opening size is 10” x 10”

All plastic construction with 1/2" fin spacing for high air flow with rust proof feature perfect for areas with high moisture

The Listed size 10"x 8" is for inside duct opening measurement

actual outsize overall dimensions is 10“ wide by 6” high

2-Pack 6FT Red/Blue Color Coded Nylon Braided PVC Core Washing Machine Hoses with Universal 3/4" 90 Degree Elbow Connector