The majority of companies that make in-line fans have a serious void in their product line-up. Most 8" in-line fans push somewhere between 700-750 CFM (cubic feet per minute) and most 10" in-line fans push 750-795 CFM. 12" in-line fans typically start at 1100 CFM. So what do you do if your airflow needs fall into the 800-950 CFM range? You can always use a 12" in-line fan with a fan speed adjuster (an inexpensive add-on that can really help you dial in your airflow), but sometimes space is limited and doesn't allow for the use of multiple reducers (12"-10", 10"-8", etc.).
To solve that problem, Max Fan has made an 8" in-line fan with a built-in variable speed feature: Speed 1 - 750 CFM, Speed 2 - 850 CFM, Speed 3 - 932 CFM. It is a powerful fan that surprisingly runs very quietly and has a 5 year warranty.
Another great product from the same manufacturer is Max Duct, a high quality ducting featuring triple foil laminate, covered in white UV resistant PVC. Since this ducting is so heavy-duty, it 100% reusable. It comes in a variety of sizes (4"-20" diameters), in 25' rolls with two hose clamps. If you're setting up a new ventilation system, it is a must-have.
Mention this blog entry and get 10% off on these products until June 1st.
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