LAB AIR Plenum Duct Marker - 2.5" - 7.785", Black on Silver
Part Number: 6655B-1
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$8.99
(USD)
Each
Part Number: 6655B-1
Description
Plenum-Rated Aluminum Pipe and Duct Markers withstand extreme temperatures, moisture, abrasion and chemicals without yellowing, fading, peeling or becoming brittle.
- Markers meet or exceed ASTM E-84-03 Standard Method of Building Materials
- Aluminum material is designed to self-extinguish with low flame-spread and smoke-development ratings
- Ideal for use in boiler rooms, attics and anywhere extreme heat and conditions are present in industrial facilities
- Strong adhesive backing keeps marker securely affixed to ductwork
- Bold colors, text and arrows facilitate quick and accurate identification for maintenance, troubleshooting and emergency response
Key Features
- Overall Size: 2.5 - 7.785"
- Text Legend: LAB AIR
- Pipe Marker Mounting Style: Self-Adhesive
- Material: Aluminum Foil
- Material Number: B-300 (View Technical Data Sheet)
- Color: Black on Silver
Specifications
Key Characteristics
| Product Number | 178628 |
|---|---|
| UPC | 888434645437 |
| UOM | Each |
| Quantity per Card or Sheet | 1 |
| Cards or Sheets per Pack | 1 |
| Brand Name | Brady® |
Dimensions
| Dimensions | 2.25 in H x 16 in W |
|---|---|
| Height | 2.25 in |
| Width | 16 in |
| Thickness | 0.0046 in |
| Pipe Marker Style | 1P |
Material Characteristics
| Material Number The Brady number that is assigned to the base material of this product. Click on the material number to view more information. | B-300 (View Technical Data Sheet) |
|---|---|
| Material View the Material Number and Technical Data Sheet for more information. | Aluminum Foil |
| Material Properties | Metallic Appearance |
| Adhesive Type | Acrylic |
| Finish | Matte |
| Color | Black on Silver |
| Indoor or Outdoor Use | Indoor Use |
| Service Temperature Range °F | -40 °F - 320 °F |
Product Features
| Application The type of application or end use environment the product is designed for. | Pipe and Valve Marking |
|---|---|
| Shape | Rectangle |
| Class | Air |
| Corner Type | Square |
| Number of Printed Sides | 1 |
| Mounting Type | Adhesive |
| Pipe Marker Mounting Style Mounting styles include self-adhesive, snap-around, snap-on, strap-on, wrap around, and a fiberglass carrier. | Self-Adhesive |
Compatibility
| Overall Size | 2.5 - 7.785" |
|---|---|
| Maximum Outside Pipe Diameter | 7.785 in |
| Minimum Outside Pipe Diameter | 2.5 in |
Preprinted Information
| Text Legend | LAB AIR |
|---|---|
| Arrow Direction | Directional |
| Character Height | 1.3 in |
| Text Language | English |
What's Included
| Includes | Arrow |
|---|
Compliance
| California Prop 65 Proposition 65 (formally titled "The Safe Drinking Water and Toxic Enforcement Act of 1986") is a California law passed by direct voter initiative in 1986. | No warning label required |
|---|---|
| REACH SVHC Status | Part does not contain an SVHC |
| REACH Candidate List Date | 04 February 2026 |
| Country of Origin All trade information (i.e. Country of Origin, Harmonized Schedule code, and/or Export Control Classification Number) and related assistance provided by Brady Corporation and its affiliates is provided for informational purposes only and is subject to change without notice. Any use of such information by you is without recourse to Brady Corporation or its affiliates and is at your own risk. This information is not provided as legal advice or as a substitute for obtaining specific legal advice. If you have any questions regarding your specific situation, you should consult your attorney. | United States of America |
| ECCN (Export Commodity Control Number) All trade information (i.e. Country of Origin, Harmonized Schedule code, and/or Export Control Classification Number) and related assistance provided by Brady Corporation and its affiliates is provided for informational purposes only and is subject to change without notice. Any use of such information by you is without recourse to Brady Corporation or its affiliates and is at your own risk. This information is not provided as legal advice or as a substitute for obtaining specific legal advice. If you have any questions regarding your specific situation, you should consult your attorney. | EAR99 |
| HTS Code (Harmonized Tariff Schedule) All trade information (i.e. Country of Origin, Harmonized Schedule code, and/or Export Control Classification Number) and related assistance provided by Brady Corporation and its affiliates is provided for informational purposes only and is subject to change without notice. Any use of such information by you is without recourse to Brady Corporation or its affiliates and is at your own risk. This information is not provided as legal advice or as a substitute for obtaining specific legal advice. If you have any questions regarding your specific situation, you should consult your attorney. | 8310.00.0000 |
| RoHS Compliance Status | Compliant with 2011/65/EU |
| UNSPSC United Nations Standard Products and Services Code that is used by manufacturers. | 55121737 |
Documentation, Guides & Videos
Product Overviews & Specs
Compliance Documents
You'll find additional compliance information in this page's product specifications and can use this form to request product certifications.
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Pipe color code chart: ANSI/ASME A13.1
| Label Color | Text Color | Example | Pipe Contents |
|---|---|---|---|
| Red | White |
Red
|
Firefighting |
| Orange | Black |
Orange
|
Toxic or corrosive |
| Yellow | Black |
Yellow
|
Flammable, combustible or oxidizing |
| Gray | Black |
Gray
|
Steam; or steam condensate, boiler feedwater, or other hot water |
| Green | White |
Green
|
Potable, cooling, or other cold or tepid water |
| Blue | White |
Blue
|
Compressed air |
| Purple | White |
Purple
|
To be defined by the user |
| White | Black |
White
|
To be defined by the user |
| Brown | White |
Brown
|
To be defined by the user |
| Black | White |
Black
|
To be defined by the user |
Pipe marker visibility and size requirements
| Outside Diameter of Pipe or Covering | Length of Color Field | Letter Height |
|---|---|---|
| 0.7 in-1.3 in (18-33 mm) | 8 in (203 mm) | 0.5 in (13 mm) |
| 1.4 in-2.4 in (34-61 mm) | 8 in (203 mm) | 0.7 in (19 mm) |
| 2.5 in-6.7 in (62-170 mm) | 12 in (305 mm) | 1.3 in (32 mm) |
| 6.8 in-10 in (171-254 mm) | 24 in (610 mm) | 2.5 in (64 mm) |
| Over 10 in (Over 254 mm) | 32 in (813 mm) | 3.5 in (89 mm) |
What if your pipe or covering outside diameter is less than 0.7 inch or 18 mm?
In cases where it is difficult to label a pipe or covering due to size, we advise using durable and long-lasting energy source or valve tags in place of pipe labels or markers.
Read more about ANSI Pipe Labeling and Marking StandardsPipe Marking Guide
Brady pipe marker products meet a wide variety of applications to help you comply with ANSI/ASME A13.1
B-946
Self-Sticking Marker |
B-736
Self-Sticking Markers-To-Go |
B-300
Plenum Rated Duct and Pipe Markers |
B-915
Snap-On Marker |
B-915
Strap-On Marker |
B-689
Wrap-Around Marker |
B-681
High-Performance, High-Visibility Marker |
B-983
LiftMark Pipe Marker Carrier™ Standoff Kits |
|
|---|---|---|---|---|---|---|---|---|
| Marker Type | Premium self-adhesive marker for indoor or outdoor use in either individual markers or roll-form. |
Economical self-adhesive roll-form markers for smooth, clean, dry pipe surfaces. |
Premium self-adhesive individual marker and detachable arrow for use on HVAC plenums and ducts. |
Non-adhesive coiled pipe marker “snaps” around pipe giving 360-degree visibility while remaining easily removable |
Non-adhesive vinyl marker applied with nylon strapping (included). |
Wrap-around marker with an adhesive edge to secure marker. Repeating legend offers 360-degree visibility. |
Polyester marker applied to a fiberglass carrier. Markers fasten to pipe with included mounting clips and strapping (sold separately). |
Patented design lifts marker off pipe surface. Simply use nylon ties (sold separately) to attach standoffs to pipe and snap carrier in place. |
| Marker Material | Vinyl |
Plastic film |
Soft aluminum |
Vinyl |
Vinyl |
Polyester |
Fiberglass/plastic carrier with Polyester label |
Plastic standoff & PVC or fiberglass carrier |
| Installation Type | Adhesive |
Adhesive |
Adhesive |
Snap-on |
Nylon strapping |
Wrap-around with adhesive edge |
Mounting clips (included) & strapping (sold separately) |
Strapping (sold separately |
| Outer Diameter | From less than 0.75" to greater than 8" |
--- |
2" to 8" or larger |
0.75" to 6" |
6" to 15" |
0.2" to 7.875" |
8" or larger |
Three sizes supporting 2", 4" and 8" or larger |
| Service Temperature | -40°F to 180°F (-40°C to 82°C) |
-40°F to 212°F (-40°C to 100°C) |
-40°F to 180°F (-40°C to 82°C) |
-40°F to 180°F (-40°C to 82°C) |
-40°F to 180°F (-40°C to 82°C) |
-40°F to 248°F (-40°C to 120°C) |
-40°F to 230°F (-40°C to 110°C) |
-40°F to 248°F (-40°C to 120°C) |
| Outdoor Durability | 3 to 5 years |
2 to 3 years |
--- |
5 to 8 years |
5 to 8 years |
5 to 8 years |
5 to 8 years |
--- |
