Features: 1. Fitment: RV refrigerator airing device is a replacement for Dometic Models DM26XX and DM28XX (6-8 Cubic feet Models). Please confirm whether your model is applicable before purchasing. 2. Function: When not used or stored for a period of time, keep your refrigerator and freezer properly ventilated with this specially designed airing device. 3. For Upper and Lower Door: These effective refrigerator airing devices work for both upper and lower fridge doors, holding them approximately 1 inch ajar at all times. 4. Durable Plastic: These RV refrigerator airing devices are made of durable ABS plastic, offering high strength and long-lasting durability. 5. Simple Installation: The installation process is quick and easy, requiring only seconds to attach or remove without complicated steps. Specifications: Item Type: RV Refrigerator Airing Device Compatibility: Designed for RVs; replacement for Dometic Models DM26XX and DM28XX (6-8 Cubic feet Models)