Black T-Bar Drop Ceiling Grille - Flat Plate Plaque Diffuser - 24" x 24" - 12" Collar Compatible With Duct 10in actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

This safeguards it from corrosion caused by dirt

Optimal Airflow: Experience 25% greater airflow

+ Product Details Size – 28 x 30 x 18cm

including the ability to mount without removing the thermostat when using the ring base

Black T-Bar Drop Ceiling Grille - Flat Plate Plaque Diffuser - 24" x 24" - 12" Collar Compatible With Duct 10in actual front end outer dimensions+ Product Details Size 24"w X 24"h. These are specially sized to fit into all drop ceilings, also called T Bar systems. Can be hooked up with our "Butterfly Dampers" for precise airflow control. For 12" duct opening High Quality Heavy gauge all steel construction. Installation Location Ceiling. Design These Supply Diffusers with integral round necks are recommended for heating, ventilating and cooling. Round neck to square face construction results in