RPB 50' Breathing Air Supply Hose – 3/8" ID, 1/4" Quick Release Fittings

Part Number: 407029
Weight: 6.80 lbs

The RPB® 50' Breathing Air Supply Hose is a NIOSH-approved air delivery hose engineered to supply clean, reliable airflow to RPB® respirator systems across extended work areas. With a 50-foot reach, 3/8" internal diameter, and 1/4" quick release fittings, this hose provides maximum flexibility, durability, and safety for abrasive blasting, painting, welding, and industrial breathing air applications.

Constructed from high-strength materials and designed for rugged environments, the 407029 hose ensures consistent air supply even in demanding jobsite conditions.

Key Features & Benefits

NIOSH-Approved Breathing Air Hose

• Fully compliant for use with RPB® supplied-air respirators

• Maintains safe, Grade-D breathable air delivery

• Essential for long-duration industrial operations

3/8" Inside Diameter

• Allows smooth, unrestricted airflow for optimal respirator performance

• Reduces pressure drop over longer distances

• Supports continuous blast and coating workflows

1/4" Quick Release Fittings

• Includes factory-installed male and female quick release couplers

• Ensures secure, contamination-resistant connections

• Compatible with Nova 3®, Nova 2000®, and Astro® air systems

50-Foot Length for Extended Reach

• Provides expanded mobility around large job areas

• Ideal for shipyards, refineries, tank interiors, and fabrication floors

• Can be used alone or connected with additional approved hose lengths

Durable, Industrial-Grade Construction

• Resistant to abrasion, crushing, and environmental wear

• Stays flexible across varying temperatures

• Long-lasting performance in abrasive blasting conditions

OEM Cross-Reference

Ideal Applications

• Abrasive blasting

• Industrial painting & coating

• Petrochemical & refinery work

• Shipyards & large fabrication sites

• Environments requiring long-distance breathable air delivery