Exhaust Pipe Flappers | McMaster-Carr

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For Duct Diameter

1 1/4" to 1 7/16"

1 1/2" to 1 11/16"

1 3/4" to 1 15/16"

Duct Size

Shape

Mounting Location

Component

Material

304 Stainless Steel

Diameter

1 1/4" to 1 7/16"

1 1/2" to 1 11/16"

1 3/4" to 1 15/16"

Length

ID

Opening Width

Fitting Connection

Quick-Disconnect Clamp

Opening Height

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Overall Width

Finish

Mounting Profile

Blade Material

304 Stainless Steel

Gauge

OD

Height

Frame Material

304 Stainless Steel

Overall Height

Duct Profile

How can we improve?

218 Products

Heating, Ventilation, and Air Conditioning

Chimney Vent Caps

Chimney Vent Caps

Cover chimneys to reduce downdrafts and block out debris

Duct Airflow Dampers

Duct Airflow Dampers

Regulate airflow to sections of duct

Barometric Draft Dampers

Barometric Draft Dampers

Maintain consistent airflow in your furnace to improve its performance

Louvers

Allow air to circulate through doors, walls, roofs, and enclosures

Diffuser Dampers

Diffuser Dampers

Regulate the airflow coming out of drop-ceiling diffusers

Duct Fire Dampers

Duct Fire Dampers

Automatically close at high temperatures to help prevent the spread of fire through duct

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)