6" x 6" 4-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades w6h6 The first number in a

The first number in a grille size

Actual Filter Size – 11 3/4"w x 23 3/4" x 1"

High Quality Copper Coil Meets/Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 - 99

Actual Filter Size – 17 3/4"w x 11 3/4" x 1"

Design – Made of strong durable ABS plastic

6" x 6" 4-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades w6h6 The first number in a+ Product Details Size 6" X 6" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will never