Very good condition! Includes two high flow quick connects. 

Model 3500 high-pressure, high-flow regulator is ideal for wheel guns used in NASCAR®, IRL® and CART® racing. It is specifically designed to provide high gas flows from cylinders and to supply manifold gas systems. It features a 1/4" NPT(F) auxiliary delivery port.

Ships same day (M-F) if paid by 4:00PM EST

Features

https://www.lincolnelectric.com/en/products/hpg-na-model3500?sku=3003538