To Customize your flow system: Determine the flow pattern required for the application. Select a 65 mm or 150 mm frame, along with the appropriate number of tubes required, flow pattern, and wetted parts Choose a 150 mm Gas Proportioner Frame (Series MTP) to blend the 2 or 3 gases at required concentrations. Gas proportioner frames are typically used at 50 psi Choose the appropriate 65 mm or 150 mm correlated flow tubes, for air or water Select a valve cartridge if desired that matches the range of the flow tube Product Highlights 150 mm frame, isolated pattern, 2 tube capacity, 316 SS wetted parts