Duct Marking Labels | McMaster-Carr

	Character Height Character Height

	Message Message

Compressed Air 80 PSI

Compressed Air 120 PSI

Condenser Water Return

Condenser Water Supply

Domestic Hot Water
Return

Domestic Hot Water
Supply

Fire Protection Water

	Message Type Message Type


Identification	Made to Order

Blank

	Material Material

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Mount Type Mount Type


Adhesive	Wraparound

Screw	Hanging

	Color Color

	Blue		Yellow
	Green		Orange
	Red		White
	Black		Pink
	Silver

	Visibility Visibility

Standard

Glow-in-the-Dark

Reflective

	For Maximum Pipe OD For Maximum Pipe OD

	Character Color Character Color

	Black		White
	Blue		Red
	Yellow		Orange
	Gold

	Shape Shape


Rectangle	Square

Circle	Octagon

	Height Height

	Width Width

	Thickness Thickness

	Character Type Character Type

	Language Language

English

Spanish

English/Spanish

	Message Color Message Color

	White
	Black

	For Minimum Pipe OD For Minimum Pipe OD

	Flow-Direction Arrow Flow-Direction Arrow

Yes

	For Use Outdoors For Use Outdoors

Yes

	Message Contains Message Contains

3,674 Products

Pipe Markers

Adhesive-Back Pipe Markers

Apply directly onto clean, dry pipes for clear identification of contents.

Made-to-Order Adhesive-Back Pipe Markers

Specify the message you need to label the contents of a pipe. Apply these markers directly onto clean, dry pipes.

Applicators for Adhesive-Back Pipe Markers

Roll adhesive-back pipe markers onto overhead pipe, tube, duct, or conduit without taking a single step up a ladder.

Write-On Adhesive-Back Pipe Markers

Use a permanent marker to label the contents of a pipe. Apply directly onto clean, dry pipes.

Snap-On Pipe Markers

These markers coil around pipes so they stay in place without adhesive.

Write-On Snap-On Pipe Markers

Use a permanent marker to label the contents of a pipe. These markers coil around pipes so they stay in place without adhesive.

Made-to-Order Snap-On Pipe Markers

Specify the message you need to label the contents of a pipe. These markers coil around pipes so they stay in place without adhesive.

Made-to-Order Washdown Pipe Markers

Specify the message you need to label a pipe. These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Corrosion-Resistant Pipe Markers

Engrave a message and then permanently affix the markers to pipes. Made of stainless steel, these markers withstand heat, chemicals, and corrosion so they are ideal for harsh environments.

Write-On Washdown Pipe Markers

Use a permanent marker to label the contents of a pipe. These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Washdown Pipe Markers

These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Write-On Reflective Pipe Markers

Use a permanent marker to label the contents of a pipe. They are reflective so they improve visibility in low-light conditions.

Reflective Pipe Markers

Identify pipe contents in low-light conditions.

Made-to-Order Reflective Pipe Markers

Specify the message you need to label the contents of a pipe in low-light conditions.

Tie-On Cable Markers

Slide individual markers onto a plate, then attach the plate to a cable using ties.

Blank Plates

Choose-a-Color Metal Engraving and Stamping Plates

Identify equipment, enclosures, or other areas at a glance.

Write-On Plates

These plates have a smudge proof surface that you can write on with permanent marker.

Weather-Resistant Cardstock Write-On Tags

An aluminum laminate protects these tags for outdoor use. Writing on these tags will leave impressions that are visible, even if the ink wears away.

Smudge-Resistant Cardstock Write-On Tags

These tags have a matte surface so writing won't smudge or rub off accidentally.

Plastic Engraving Tags

Plastic tags withstand mild acids and are more corrosion resistant than metal tags.

Plastic Write-On Tags

Tags are vinyl. Write on them with a permanent marker.

Smudge-Resistant Plastic Write-On Tags

These tags have a matte surface so writing won't smudge or rub off accidentally. Write on them with a permanent marker.

Choose-a-Color Metal Engraving and Stamping Tags

Color code equipment and inventory.

Adhesive-Back Characters

Adhesive-Back Character Sets

Choose a range of characters.

Adhesive-Back Characters

Choose only the characters you need.

Easy-Install Adhesive-Back Character Sets

These sets come already aligned on a sheet that peels away to ensure even spacing.

Quick-Align Adhesive-Back Characters

Choose only the characters you need.

Quick-Align Adhesive-Back Character Sets

Choose a range of characters.

Made-to-Order Adhesive-Back Character Messages

Specify the messages you want and they come already aligned on a sheet that peels away to ensure even spacing.

Glow-in-the-Dark Adhesive-Back Characters

Expose these characters to ambient light and they stay visible in the dark.

Reflective Adhesive-Back Character Sets

Choose a range of characters.

Reflective Adhesive-Back Characters

Choose only the characters you need.

Laminated Adhesive-Back Character Sets

Choose a range of characters.