1. Made of ABS material, easy to install, sturdy and durable, long service life, adjustable air-conditioning cooling and heating outlet direction. 2. Function: Control the air outlet of air conditioning, cooling and heating, and adjust the direction of air outlet by adjusting the fan blades of the air outlet. 3. Installation position: suitable for installation at the air outlet of the air-conditioning panel of RVs, automobiles, etc. 4. Material: ABS 5. Dimensions: diameter 71mm 6. Hole size: 63mm in diameter 7. Thread height: 28mm 7. Take over size: 47mm in diameter