Name: allen + roth 2-1/2-in x 15-in Maximum airflow Steel White Madison Design Register ( Outside Width- 18-in )
Brand: allen + roth
SKU: 5005425539
Price: 26.98 USD
Availability: InStock
Rating: 4.4 (82 reviews)

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With a focus on aesthetics, novelty, easyinstallation and durability, allen + roth baseboard diffuser will be the best choice for decorating your room and can be installed in less than five minute. allen + roth will be committed to providing you with more beautiful and convenient baseboard register & diffuser products.

Steel construction
Solid steel face for durability and reliability
Rustproof damper box
Madison design
For baseboard application
Listed product sizes refer to the duct opening measurements, not the register itself

General
Color/Finish Family	White	Package Quantity	1
Type	Baseboard register	Shape	Trapezoidal
Design	Madison	Manufacturer Color/Finish	White Madison Design
Material	Steel	Series Name	Madison
Style	Decorative

Dimensions
Outside Depth (Inches)	2.81	Duct Opening Height (Inches)	2.5
Outside Height (Inches)	4.5	Weight (lbs.)	1.52
Duct Size	2-1/2-in x 15-in	Outside Width (Inches)	18
Duct Opening Width (Inches)	15

Features
Airflow Direction	Maximum airflow	Volume Control Damper	Yes
Commercial/Residential	Residential	Hardware Included	No
Installation Location	Baseboard	Paintable/Stainable	N/A (Not recommended)

Compatibility
Wi-Fi Compatibility	No

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	2-year limited

Miscellaneous
UNSPSC	40101500

Check out the Best Selling Baseboard Registers & Diffusers on Lowes.com

Review

4.4 out of 5

82 Reviews

76% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise the modern, clean aesthetic and seamless installation of these vent registers, noting they transform outdated openings into stylish features that blend beautifully with home interiors. Most highlight the durable finish, reliable airflow, and child-safe design as key strengths, with many reporting effortless replacement of older units. The white finish and improved opening patterns consistently earn compliments. A few customers encountered dimension inconsistencies or stiff damper operation, though these concerns remain minor compared to overall satisfaction and expectations of long-term durability.

Customer review summary generated by AI, including incentivized reviews.

82 Customer Reviews

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So pretty!

Would Recommend

Love these vents!! So pretty and seamless in our new home.

White VentsOctober 7, 2026
Verified Purchaser

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Great Features

Would Recommend

Great airflow, works and fits well in my space, appealing to the eye

Anna99September 15, 2026
From 2-1_SLASH_2-in x 12-in Maximum airflow Steel White Madison Design Register ( Outside Width- 15-in ) Verified Purchaser

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Did not receive correct size

The register seems fine. They just shipped the wrong size. I ordered a 15in and they sent an 18in.

YeagsAugust 9, 2026
From 2-1_SLASH_2-in x 15-in Maximum airflow Steel Oil-Rubbed Bronze Madison Design Register ( Outside Width- 18-in )

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Great design!

Would Recommend

I bought this after looking around for a while and love the design! The airflow is great, different than most design, and my kids cant stick toys down it!

AnnaPJune 27, 2026
From 2-1_SLASH_2-in x 12-in Maximum airflow Steel White Madison Design Register ( Outside Width- 15-in ) Verified Purchaser

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		Name	Current Item allen + roth2-1/2-in x 15-in Maximum airflow Steel White Madison Design Register ( Outside Width- 18-in )
		Ratings	82
		Type	Baseboard register
		Material	Steel
		Shape	Trapezoidal
RELIABILT2-1/2-in x 12-in 180-degrees Steel White Diffuser ( Outside Width- 15-in )	RELIABILT2-1/2-in x 15-in 180-degrees Steel White Diffuser ( Outside Width- 18-in )	RELIABILT2-1/2-in x 21-in 180-degrees Steel White Diffuser ( Outside Width- 24-in )	RELIABILT30-in x 6-in 1-way Steel White Grille ( Outside Width- 31.75-in )	allen + roth2-1/2-in x 12-in 180-degrees Wood Light Oak Diffuser ( Outside Width- 15-in )	Wudkey18 in White Steel Baseboard Register with Adjustable Damper	RELIABILT2-1/2-in x 21-in Maximum airflow Steel Brown Diffuser ( Outside Width- 24-in )	TRUAIRETru Aire 4.5 in. H X 24 in. W 3 Way Powder Coat White Steel Floor Baseboard Diffuser	Accord2-3/4-in x 18-in 180-degrees Steel Oil Rubbed Bronze Register ( Outside Width- 2.75-in )
344	348	261	2	24		1		150
Baseboard diffuser	Baseboard diffuser	Baseboard diffuser	Baseboard grille	Baseboard diffuser	Baseboard register	Baseboard diffuser		Baseboard register
Steel	Steel	Steel	Steel	Wood	Steel	Steel		Steel
Trapezoidal	Trapezoidal	Trapezoidal	Trapezoidal	Trapezoidal	Rectangle	Trapezoidal		Rectangle