1 1/2” - 2” AHU Xterminator. Flow Mounted Filterball with Test Points. Return Mounted 83 Series PICV, commissioning set, air vent and drain. Pre-assembled and tested delivered on support strutting or similar to meet your design needs. Designs can be adapted to meet bespoke centre to centre distances and incorporate components to meet the project needs. All weather cases available for external mounting positions.