Vent Increaser, Aluminum, 3 X 4 In.

Imperial 3"x4" Aluminum Vent Increaser. This vent increaser is designed for bathroom applications, seamlessly transitioning your 3-inch vent to a 4-inch vent. Crafted from durable aluminum, it ensures longevity and resistance to corrosion. Its easy installation process allows for quick and hassle-free upgrades.

• 3 in. x 4 in.
• Made of aluminum
• Used for bathroom applications