3M W-3020 Low Pressure Air Hose, red rubber

3M W-3020 Low Pressure Air Hose - Red Rubber

The 3M W-3020 low-pressure compressed air hose is designed for ambient pressure supplied-air systems used in industrial settings. Made from durable red rubber, it delivers the flexibility and resistance required for painting, sandblasting, industrial cleaning, and mechanical work. Available in three lengths — 25 ft (7.62 m), 50 ft (15.24 m), and 100 ft (30.48 m) — it adapts to both fixed and mobile workstations.

The hose connects directly to low-pressure ambient-air pumps through its gas-thread fittings at both ends, compatible with 3M industrial interchangeable FTP connectors. No filter or cartridge maintenance required — workers breathe clean air without added breathing resistance. Compliant with CSA Z180.1 for breathable supplied-air systems.

Key Features and Benefits

Design and Materials

• Rubber construction: Resists abrasion, oils, and harsh job-site conditions.

• Three available lengths: 25 ft (7.62 m), 50 ft (15.24 m), and 100 ft (30.48 m) to match any workspace layout.

• Interchangeable fittings: NPT / gas thread compatible with 3M low-pressure systems.

• Distinctive red color: Instantly identifies the breathing-air circuit on the job site.

Technical Performance

• Inner diameter: 3/8 in. (0.95 cm) for the 25 ft model; 1/2 in. (1.27 cm) for 50 ft and 100 ft models.

• Air flow: Up to 50 and 100 CFM depending on length and configuration.

• Low-pressure only: Designed for ambient-pressure supplied air — do not use with high-pressure systems.

3M Compatibility

• Low-pressure ambient-air pumps (NPT / gas thread 3/8 in. compatible)

• 3M industrial interchangeable 3/8 in. FTP connectors

FAQ: Frequently Asked Questions

Can I connect multiple hoses together to increase the length?

No. To maintain NIOSH certification and ensure safe air pressure delivery, 3M stipulates that the hose must be used in a single, continuous length. Never combine sections (e.g., joining two 50 ft sections to make 100 ft).

Can this hose be used with a high-pressure compressor?

No. This hose is strictly for low-pressure systems (such as ambient air pumps). Using it with high pressure could cause the hose to burst, leading to serious injury.

Will the air inside the hose smell like rubber?

A slight "new hose" smell may be present initially. It is recommended to run clean air through the hose for several minutes before the first use. If a smell persists, verify the quality of your air source (Grade D breathable air is required).

How do I know when to replace my hose?

Inspect the hose before every shift. Replace it immediately if you see cracks, bubbles in the rubber, deep cuts, or if the fittings are crushed, damaged, or leaking.

Occupational Health and Safety (OHS) Expert Advice

• Air Quality: This hose does not filter air. Ensure your air source is located in a clean air zone and is equipped with the appropriate filtration panels.

• Physical Protection: While rugged, avoid driving forklifts or heavy loads directly over the hose, as this can crush the interior and restrict the user's airflow.

• Storage: After use, coil the hose loosely (avoid tight kinks) and store it in a cool, dry place away from direct sunlight to prevent the rubber from premature aging or "checking."

You need complementary safety equipment.

See the items; nitrile gloves (GL7005) disposable for hand protection, 3M Virtua Max safety glasses (YA11329) for eye protection, Type 5 disposable antistatic coverall (V51) for body protection, and 3M UltraFit earplugs (OA4002) for hearing protection.

Under "Accessories" at the bottom of the page. If you are looking for equipment to work with, see the following products: the V-400 valve (RV400), the 3M low-pressure regulator required to deliver air to the Facepiece, the Versaflo  (RM307) helmet for general industrial environments, the Versaflo (RM407) helmet with a flame-resistant hood for hot work environments (welding, foundry), and the S-series hood (RS655) for pharmaceutical or chemical environments.

Green-colored text corresponds to hyperlinks leading to specific safety equipment or general information.