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Air Relax recovery systems use advanced pneumatic compression to improve circulation, reduce muscle soreness, and speed up recovery. Trusted by athletes, physiotherapists, and chronic pain patients, Air Relax delivers deep, therapeutic compression that helps relieve swelling, stiffness, fatigue, and leg discomfort.
The AR-4.0 Pro is Air Relax’s premium leg recovery system. It offers stronger pressure, more advanced compression modes, and faster performance for users who want clinic-level leg therapy at home. Ideal for athletes, people with intense leg fatigue, and anyone needing deep circulation support.
Stronger compression compared to AR-3.0
More advanced modes for customized therapy
Great for severe soreness, swelling, and heavy leg days
Faster recovery and deeper tissue flushing
Higher price
Pressure may feel very intense for beginners
Not as quiet as the Plus model
Athletes with high training volume
Users with severe leg soreness, swelling, or nerve pressure
People needing clinic-level recovery after long workdays
Users who want maximum compression strength
Users report dramatic improvement in recovery time
Loved for its strong pressure cycles
Great results for swelling, lactic acid flushing, and post-leg-day recovery
Many say it feels like “professional recovery at home”
The AR-3.0 Plus is the more affordable, user-friendly version, designed for everyday leg soreness, swelling, and circulation support. It provides strong compression, excellent build quality, and recovery benefits without the extra intensity of the Pro model.
Powerful compression but more comfortable than AR-4.0 Pro
Easier for beginners or casual users
Great for sciatica, swelling, and daily leg fatigue
Quieter, lighter, and more portable
Lower price with excellent performance
Less powerful than AR-4.0
Fewer advanced compression modes
Best suited for moderate vs severe soreness
People with sciatica, swelling, varicose-style heaviness
Workers sitting or standing all day
Beginners to compression therapy
Fitness users who want regular recovery without extreme intensity
Users say their legs feel lighter and more relaxed
Praised for reducing swelling and improving circulation
Much loved for sciatica relief and post-shift recovery
Great value for everyday recovery users
| Feature | AR-3.0 Plus | AR-4.0 Pro |
|---|---|---|
| Compression Strength | Strong | Very strong (clinic-grade) |
| Modes | Standard | Advanced + additional patterns |
| Best For | Sciatica, swelling, daily fatigue | Athletes, severe soreness, heavy recovery |
| Noise Level | Quieter | Louder |
| Price | Lower | Higher |
| Experience | Comfortable, beginner-friendly | Deep, powerful, intense |
AR-3.0 Plus — strong enough for relief without overwhelming pressure.
AR-4.0 Pro — built for heavy training days and deep recovery.
Yes — both dramatically improve circulation and lymphatic flow.
Yes, but start on the lowest pressure setting.
Most users do 20–40 minutes, 3–5 times per week.
If you still aren’t sure which model fits your needs, join the ItHurts Back & Neck Pain Community.
Ask questions, share your pain story, and learn from people who’ve found real relief using inversion therapy.