Astro Pneumatic In-Line Needle Scaler — Model# 4320

Ideal for scaling and rust removal. Key Product Specs Blows Per Minute (BPM) 4,200 Air Consumption (CFM) 4 Air Inlet Size (in. NPT) 1/4 Min. Hose Size (in.) 3/8 Case Included no Additional Product Specs * 4200 BPM * 1/4in. inlet * 3/8in. hose size dia. * 4 CFM @ load * 91dB sound level