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RapidAir 3/4in. MaxLine Master Kit, Model# M7500
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RapidAir 3/4in. MaxLine Master Kit, Model# M7500

Item# 20923
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Product Summary


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The RapidAir 3/4in. MaxLine compressed air piping system is designed for high-demand air tool users and longer air line runs in large buildings. It features high-density polyethylene (HDPE) tubing with an aluminum core to maintain any hand-bent shape for easy wall installation. 175 PSI operating pressure at 70°F; 140 PSI at 140°F.

What's Included

  • (3) Outlet kits
  • (2) Tees
  • (1) 3/4in. tubing x 3/4in. male fitting
  • (20) Mounting clips
  • (1) Cutter and deburr tool
  • 100 feet of 3/4in. HDPE/aluminum tubing
Professional Air System For Your Workshop

Professional Air System For Your Workshop

Easy Installation

The RapidAir 3/4in. MaxLine compressed air piping system allows you to design and install your own personalized air system any way you want. MaxLine uses a double O-ring compression system that is virtually leakproof. The aluminum core allows the tubing to be bent by hand and shaped around corners or in awkward spaces without losing its shape. MaxLine can be mounted on the surface of a wall or behind the wall. It can also be buried underground or in concrete. No expensive tools are required.

Ultimate Flexibility

You can purchase additional fittings to customize your RapidAir MaxLine installation, based on your space and compressed air requirements. It is easy to add and change air drops as needed, since the fitting compression system can be easily disassembled and reused. The system is rated for up to 170 PSI at 70°F and 140 PSI at 140°F, which is well within the working range of most air tools. The RapidAir MaxLine Master Kit is an ideal solution for garages, workshops, barns or industrial buildings less than 4000 square feet, serving several air users.

Superior Performance and Support

Long-Term Durability

The RapidAir MaxLine tubing and fittings are not prone to rust and corrosion and will provide years of reliable service. Metal fittings are nickel-plated brass to resist corrosion. The high-density polyethylene (HDPE) tubing with aluminum core stays flexible and will not become brittle or lose strength over time. MaxLine meets OSHA requirements. Smooth interior walls will never build up rust or scale. You can count on a MaxLine system for years to come.

Dependable Warranty

The RapidAir MaxLine Master Kit comes with a 1-year limited warranty to give you extra piece of mind. System components are guaranteed against defects resulting from faulty workmanship or materials for one year from the time of purchase.

Guaranteed Satisfaction

Shop in complete confidence, knowing Northern Tool + Equipment protects your investment and is ready to provide you with the assistance and helpful resources you need.

1-year Warranty

Features + Benefits

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Features for RapidAir 3/4in. MaxLine Master Kit, Model# M7500
    Master kit includes:
  • 3 outlet kits
  • 2 tees
  • 3/4in. tubing x 3/4in. male fitting
  • 20 mounting clips
  • Cutter and deburr tools
  • 100 feet of 3/4in. HDPE/aluminum core multilayer tubing

Key Specs

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Item#20923
Ship Weight25.0 lbs
Coupler Size (in.)3/4
Max. PSI175 @ 70°F
Pieces (qty.)29

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Coupler Size (in.) 1/2 - 1/2 3/4 1
Max. PSI
150 - 150 175 @ 70°F 190
Pieces (qty.) 1 12 4 29 12 tubes, 30 clips, 3 unions, 5 elbows, 4 tees, adapter, 5 outlets, tool set