Viair 90088 2" Single Needle Black Face Gauge 160 PSI Max Air Ride Suspension

The fitting size will be a 1/8"PTC X 1/8" Female NPT for 1/8" OD Airline OR 1/4"PTC X 1/8" Female NPT for 1/4" OD Airline. This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.