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ONBOARDAIR MADE FOR REAL-WORLD USE

AIR FOR
REAL LIFE.

From roadside tyre inflation to complete onboard air systems. Find the right setup for what you actually need.

ENGINEERED FOR YOUR APPLICATION ↓
EXPLORE / PRODUCT FAMILIES

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EXPLORE / APPLICATIONS & COMPONENTS

More ways to find your air.

Browse specialist ranges and system components.

OBA / AIR ADVISOR

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PRODUCT KNOWLEDGE

What’s this compressor good for?

Up to eight quick technical snapshots from the approved OBA Intelligence Registry. Refreshed daily.

WHAT IS THIS GOOD FOR?

440P

Best for
Portable tyre inflation
Tyres
Up to 37″
Pressure
150 PSI
Duty cycle
33% @ 100 PSI

Verified tyre-size capacity gives useful headroom above your selected diameter.

£321.40inc 20% VATView details ↗
WHAT IS THIS GOOD FOR?

400P

Best for
Portable tyre inflation
Tyres
Up to 35″
Pressure
150 PSI
Duty cycle
33% @ 100 PSI

Verified tyre-size rating covers your selected diameter at the model limit.

£239.95inc 20% VATView details ↗
WHAT IS THIS GOOD FOR?

400P Automatic

Best for
Portable tyre inflation
Tyres
Up to 35″
Pressure
150 PSI
Duty cycle
33% @ 100 PSI

Verified tyre-size rating covers your selected diameter at the model limit.

£278.95inc 20% VATView details ↗
WHAT IS THIS GOOD FOR?

450P Automatic

Best for
Portable tyre inflation
Tyres
Up to 42″
Pressure
150 PSI
Duty cycle
100% @ 100 PSI

Verified tyre-size rating comfortably covers your selected diameter.

£326.40inc 20% VATView details ↗
WHAT IS THIS GOOD FOR?

450P RV

Best for
Portable tyre inflation
Tyres
Up to 42″
Pressure
150 PSI
Duty cycle
100% @ 100 PSI

Verified tyre-size rating covers your selected diameter at the model limit.

£368.75inc 20% VATView details ↗
WHAT IS THIS GOOD FOR?

300P

Best for
Portable tyre inflation
Tyres
Up to 33″
Pressure
150 PSI
Duty cycle
33% @ 100 PSI

Verified tyre-size rating comfortably covers your selected diameter.

£169.95inc 20% VATView details ↗

Only verified model facts are shown. Check individual product specifications and application requirements before purchase.

OBA / PRODUCT DISCOVERY

New Arrivals / Proven Favourites

Fresh additions and trusted VIAIR models, straight from our catalogue.

View the full catalogue ↗

Newest is based on publication date. Favourites include nominated models where available, followed by established sellers. Prices and availability come from WooCommerce.

THE KNOWLEDGE MATTERS

Not sure why one compressor is different?

Maximum PSI is only part of the story. Airflow, duty cycle, power supply, tyre size and the demands of your application all matter.

Explore the Tech Centre ↗

Airflow vs. pressure

Understand the difference between moving air quickly and achieving the pressure you need.

Duty cycle explained

Understand why continuous use matters for repeated inflation jobs.

Portable or installed?

See when a portable inflator works better than a fixed air system.

VIAIR × OBA
VIAIR UK / EU Master Dealer / Distributor

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✓Verified product specifications
✓Real-world technical knowledge
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