ITEM NAME:2.95 inch Bus RV Air Conditioning Vent Outlet Universal with ST2.9x13 Screws Product Description Description: 75mm 2.95 inch Bus RV A/C Air Vent Universal Round Air.Screw size: ST2.9 13. The lower tube is fixed with self-tapping screws (ST2.9 13);. After the three screws are installed, press the air inlet in the tube, snap installation. Air outlet of the air conditioner, can be adjusted by adjusting the fan blades of the air outlet.
