Inline fans are designed to work under smaller loads than centrifugal fans, but are great to provide a supply of fresh air into your environmental system allowing your plants to reach their full potential. EP Inline Axial Fan’s design features plastic blades which make the fans extremely quiet. The attached spigots are designed to make it easy to place and fix ducting to the fan. When reliability matters for small systems, the EP Inline Axial Fans are guaranteed to deliver continuous duty.