Airflow DV300 Entro 1000-1500 4eHT is a modern update

4eHT is a modern update of Greenwood Centair/CML offering improved energy efficiency

Pair of filters for Greenwood HRV2 Heat Recovery Unit

2 filters 1 x G4 1 x F7

Each set contains 2 x G3 filter

when reached

Airflow DV300 Entro 1000-1500 4eHT is a modern updateThe DV300 Entro is a highly efficient, side entry MVHR unit that can recover up to 93% of, otherwise wasted, heat. The unit is made with high density EPP material which provides significant insulation and eliminates thermal bridging. The DV300 uses low energy EC fans to minimise the units energy consumption and can help you reduce your energy bills. The unit has an easy to maintain plastic counterflow heat exchanger which prevents the airstreams from