8"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 5.25"H] Adjustable Return The permanently attached eight-tumbler lock

The permanently attached eight-tumbler lock with a supplied key adds an extra layer of security

actual front end outer dimensions are approximately 22 5/8" width X 22 5/8" height

and we recommend a rearward tilt for your mini split unit to ensure maximum security

The integrated damper allows precise control over airflow

+ Product Details Size - 14"w X 14"h Is The Size For The Duct Opening Measurement Only

8"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 5.25"H] Adjustable Return The permanently attached eight-tumbler lock+ Product Details Size 8"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 9. 25" Width X 5. 25" Height. Design Designed for concealed, flush placement on your wall with a 3 8 inch space between louvers, this linear grille comes with an installation frame and clips for easy hook in assembly, ensuring a refined and seamless look. High Quality Aluminum The premium durable aluminum will never rust and it will never