10"W X 4"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 11.6"W X 5.6"H] ceiling the T-Bar vent covers

the T-Bar vent covers

+ Product Details Size – 28"w X 28"h is the size for the duct opening measurement only

with actual outer dimensions of 12

actual front end outer dimensions are approximately 30 5/8" width X 20 5/8" height

Secure Locking Mechanism – Features a permanently attached eight-tumbler lock with a supplied key for added security

10"W X 4"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 11.6"W X 5.6"H] ceiling the T-Bar vent covers+ Product Details Size 10"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 6" width X 5. 6" height. Design Full Control Vertical Horizontal Air flow Direction. Horizontal blades in the front, Vertical blades in the back, both individually adjustable. High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant,