48"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 7.25"H] Aluminum - Cube Core Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 25 3/4" x 1"

+ Product Details Size – 16" x 28" or 28" x 16" is the size for the duct opening measurement only

High Quality – High quality copper coil meets/beats ASTM B280 standard for air conditioning and refrigeration (made from C12200 - 99

this discreet grill optimizes airflow discreetly and beautifully

+ Product Details Size – 8"w X 32"h is the size for the duct opening measurement only

48"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 49.25"W x 7.25"H] Aluminum - Cube Core Actual Filter Size – 11+ Product Details Size 48"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 49. 25" Width X 7. 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