1. Product Name: HRV Heat Recovery Air Ventilation System 2. Exchanger Type: Counter-flow heat exchanger 3. Airflow: 150m3/h to 1200m3/h 4. Supply Filter: G4 as standard, F8 for option 5. Extract Filter: G4 as standard 6. Casing Material: Durable coated sheet steel 7. Motor Type: EC Energy Saving Motor (High Static Pressure) 8. Bypass: Bypass AUTO 9. Defrost: Yes 10. Other function: WIFI/APP supported