CarboAir 50 Carbon Filter Size:4" (100mm) / 330mm The smaller models are rated

The smaller models are rated to an immersion depth of around 5 metres

You're getting genuine VPD calculation

It's a mineral-only blend with no sediment

so you don't need to adjust it for your specific growing method

CarboAir 50 Carbon Filter Size:4" (100mm) / 330mm The smaller models are ratedCarboAir 50 Carbon Filter European Made Odour Control for Grow Rooms Best for: Growers who want serious odour control and airflow without compromise, backed by real European engineering Our thoughts CarboAir 50 sits in that sweet spot where quality and performance actually justify the price. Hand built in Europe, approved by Systemair, and built around a proper 50mm virgin carbon bed this is the filter for growers who understand that cutting corners