Side Outlet Ceiling Diffuser Box | 6" X 6" X 6" | Galvanized Steel Metal Box is Compatible with Duct 6" 8" Round Duct Pipe Actual Front End Outer Dimensions Suitable for all AC 8in diameter 12125SDCLNGBX

Actual Front End Outer Dimensions Are 12" Width X 10" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – 25"w X 30"h is the size for the duct opening measurement only

12"w X 3"h Is The Size For The Duct Opening Measurement Only

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

Side Outlet Ceiling Diffuser Box 6" X 6" X 6" Galvanized Steel Metal Box is Compatible with Duct 6" 8" Round Duct Pipe Actual Front End Outer Dimensions Suitable for all AC 8in diameter 12125SDCLNGBX Actual Front End Outer Dimensions Are 12" Width X 10" Height SEE IN DESCRIPTION HOW TO MEASURE A GRILLE + Product Details Size – 25"w X 30"h is the size for the duct opening measurement only