The Up Down Air 4 Tire Inflation System for 2018-Current Jeep Wrangler JL/JLU is designed to inflate or deflate all four tires simultaneously for easy tire pressure management. This Gen2 Air Delivery System (ADS) mounts on the passenger side of the engine bay and can operate with an onboard air source or a portable air pump via an external Schrader valve. It features DOT-approved 3/8” air lines, quick-connect chucks with Betty Bar, and an ADS control box with an air regulator and 90-degree Schrader valves. Pre-cut hoses and quick-connect fittings allow for quick and hassle-free installation.