Roof Box Vents | McMaster-Carr

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463 Products

Heating, Ventilation, and Air Conditioning

Duct Vent Caps

Reduce downdrafts and prevent obstructions from entering vents

Duct Fittings

Connect lengths of duct

Duct Intake Hoods

Duct Intake Hoods

Pull fumes out of work areas by linking to duct

Duct Damper Blades

Duct Damper Blades

Replace the blade on your duct damper or pair with hardware to create a new damper

Duct Damper Hardware

Duct Damper Hardware

Secure a replacement blade to your duct's damper or use to create a new damper

Duct Downdraft Diverters

Duct Downdraft Diverters

An internal cone stops drafts in duct from extinguishing pilot lights

Duct Blast Gates

Duct Blast Gates

Stop the flow of air and material through duct when closed

Duct

Circulate air through HVAC systems using round, rectangular, and fabric duct

Duct Dampers

Regulate airflow through duct by adjusting from fully open to fully closed

Duct End Caps

Close off a length of duct

Louvers

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

Chimney Pipe and Fittings

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

Exhaust Fans

Draw stagnant and humid air out of a room or area

Sealing

Pipe Flashings

Create watertight seals around vent pipes on roofs, even if they expand, contract, and vibrate

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