Astro Pneumatic 2616 3/8" Filter, Regulator & Lubricator with Gauge. Prevents costly damage to air tools caused by rust, scale and moisture. Convenient minimum installation time into your compressed air system. Provides clean, dry, regulated compressed air over a wide range of airflows with accurate control and fast response. Efficiently traps moisture while passing through clean, dry compressed air. Gauge has rugged polycarbonate case with 2" face. 1/4" or 3/8" NPT with Max 135psi.