Pitot Tube Pitot Type Pocket Size Insertion Length 6 in Tube Material Stainless Steel Process Connection Gender Male Process Connection Size 1/8 in Process Connection Type NPT Series 160 Includes Air Velocity Calculator Direct Reading Velocity Charts Minimum Duct Diameter 12 in Mounting Fitting Gender Male Mounting Fitting Size 1/8 in Mounting Fitting Type Compression Standards CE ASHRAE ROHS Tube Diameter 1/8 in