RectorSeal 81911 M-V Round Ceiling Diffuser 6-8″ w/ 8″ Collar

SKU: 81911

Weight	3 lbs
Dimensions	12 × 12 × 8 in
Condition	New
Manufacturer Part Number	81911
Brand	The Rectorseal Corporation

$83.72

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$83.72	0%
5–9	$79.53	5%
10+	$75.35	10%

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RectorSeal 81911 M-V Round Ceiling Diffuser 6-8" w/ 8" Collar

Specifications & product details

RectorSeal 81911 M-V Round Ceiling Diffuser Assembly – 6″, 7″, 8″ Duct

The RectorSeal M-V Round Ceiling Diffuser Assembly is a pre-assembled polymer diffuser designed to dramatically reduce installation time — up to 80% faster than traditional diffuser installations.

This versatile diffuser features a stepped collar with break-away connectors, allowing compatibility with 6″, 7″, or 8″ round duct. The smaller connectors fit a 7″ ceiling opening, while the larger connectors fit a 9″ ceiling opening.

Four integrated mounting clips with pre-mounted screws secure the diffuser without the need for additional drilling.

Specifications:

Model: 81911
Type: M-V Round Assembly
Duct Compatibility: 6″, 7″, 8″
Collar: 8″ Stepped
Fits 7″ or 9″ Ceiling Opening
Height: Approx. 1-1/2″
Material: Polymer
Color: White

Applications:

Residential HVAC ceiling supply
Light commercial air distribution
New construction installs
Retrofit diffuser replacement

Benefits:

Pre-assembled for faster install
Multi-directional airflow
Clean finished appearance
Break-away collar flexibility
Contractor-friendly mounting system

Ideal for HVAC contractors, builders, and remodelers looking for efficient and professional ceiling air distribution solutions.

Compatibility & part-number help

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Shipping & availability

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