ledgrowlight

 When growing plants in a grow tent or room, you need to provide the plants with good ventilation. Some fans are designed specifically for this purpose. Note down factors such as price, size, CFM, etc. to help choose the right product for your needs. We looked at some very high-spec fans. What Is CFM And How Do I Calculate It? One important measurement you’ll see on all fans is CFM, or Cubic Feet per Minute. This number refers to — you guessed it — the cubic feet per minute of air that the inline fan you’re considering is capable of exchanging out of a given area. For example, imagine you have an 8’ x 4’ x 12’ room. This is 384 cubic feet of space (4 x 4 x 8). Let’s now imagine you wanted to exchange all of the air inside that room with fresh air once per minute. You might think you need a fan rated at 384 CFM, but you’d be wrong. It’s always a good idea to multiply the cubic feet of your available space by at least 1.33 to account for any airflow drop due to any filters, etc. that are