[Dimension] Outer Diameter: 71mm / 2.80", Air Outlet Diameter: 63mm / 2.48", Thread Height: 25mm / 0.98. [Fitment] Universal, fit for most motorhomes, buses, boats, and yachts.. [Easy to install] No drilling or cutting required.. [Easy to Clean] Easy wipe with a wet duster cloth.. [Package Include] 4 x Air Conditioning Outlet Vent.
