Retisee 4x12 Inches Floor Vent Covers Heavy Duty Floor Register Easy Installation Metal Heat Vent Covers with Rust Proof Finish for Home(Black,4 Pcs) HHIP Both in inch and metric:

Both in inch and metric: Both sides are in feet and metric

or backyard use

No need to disassemble the pipe to complete the drainage system remodeling

or too laborious operation caused by too thick

Retisee 4x12 Inches Floor Vent Covers Heavy Duty Floor Register Easy Installation Metal Heat Vent Covers with Rust Proof Finish for Home(Black,4 Pcs) HHIP Both in inch and metric:Package Includes: you will get 4 pieces of vent covers for home in this package, they are mainly designed in a black color, this enough quantity and modern color to meet your daily needs Ideal Size: these register covers for floor vents are about 4 x 12 inches, suitable and proper, which can fit most standard air ducts opening sizes, please check the size before purchasing Rust Proof and Reliable: these floor vent covers are made of quality aluminum