RPB 25' Breathing Air Supply Hose – 3/8" ID, 1/4" Quick Release Fittings

Part Number: 407028
Weight: 3.60 lbs

The RPB® 25' Breathing Air Supply Hose is a high-quality, NIOSH-approved air delivery hose engineered to provide clean, reliable airflow to RPB® respirator systems. With a 3/8" inside diameter and factory-installed 1/4" quick release fittings, this hose ensures secure, leak-free performance for abrasive blasting, painting, welding, and industrial environments requiring Grade-D breathable air.

Built for durability and flexibility, the 407028 hose is designed for long service life even in demanding jobsite conditions.

Key Features & Benefits

NIOSH-Approved Air Supply Hose

• Designed for use with RPB® supplied-air respirator systems

• Meets stringent safety standards for breathable air delivery

• Ensures consistent airflow for operator protection

3/8" Inside Diameter

• Provides optimal air volume for steady respirator performance

• Supports long-duration blasting and high-output air systems

• Reduces airflow restriction compared to smaller-diameter hoses

1/4" Quick Release Fittings

• Includes pre-installed male and female quick release connectors

• Ensures fast, secure, and contamination-resistant connections

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

Durable, Flexible Construction

• Heavy-duty hose wall resists abrasion, crushing, and wear

• Maintains flexibility in cold, hot, and high-vibration environments

• Designed for rugged industrial use

25-Foot Length

• Ideal for close-range blasting and coating applications

• Can be combined with longer NIOSH-approved hose sections

• Supports safe, efficient operator mobility

OEM Cross-Reference

Ideal Applications

• Abrasive blasting

• Industrial coatings & painting

• Welding & fabrication

• Petrochemical, shipyard & refinery environments

• Any operation requiring Grade-D breathable air supply