The Dometic FreshJet Mechanical Air Distribution Box (ADB) is easy to use; simply twist a knob to set the temperature and fan speed to welcome refreshing air. State-of-the-art construction delivers superb front and back airflow allowing you to peacefully reset after a long day of exploration. Built to pair seamlessly with Dometic FreshJet mechanical AC units using R32 refrigerant, this distribution box simplifies installation and enhances system performance.• Dimensions: 25.2" x 22.24" x 5.51"• Weight: 12.57 lbs. Pairs seamlessly with Dometic FreshJet mechanical AC units using R32 refrigerant Measures 25.2"" x 22.24"" x 5.51"" | Dometic FreshJet Mechanical Air Distribution Box for Non-Ducted RV Air Conditioners