Redline leak detectors sold across 13 countries now support nitrogen. Mature design works reliably with compressed air, nitrogen and inert gases. Redline is specified as essential tool by OEMs including Mazda, Nissan, Infiniti, Jaguar Land Rover, Subaru, Tesla and Volvo.

"Many technicians prefer nitrogen for EVAP and low-pressure leak diagnostics. You’re the expert — it’s your choice. We lead leak detection technology for passenger cars, buses, fleets, heavy equipment and marine applications. Nitrogen compatibility reinforces premium US build quality and legendary support."

Redline holds top industry safety standards including the first UL-certified smoke leak detector for high safety and durability.

Leak detectors help locate sealed-system faults quickly and safely with air or nitrogen, saving hours of engine troubleshooting. Choose Redline for American quality, reliable service and technical backup.

"You're the expert — your choice."