Air slides / Fluid slides (closed type) are used for pneumatic transport of the material from one discharge point to another feeding point. Fluid slides are one the most economical mode of transport, which need very less maintenance. Fluid slides are designed with 2 chambers, upper & lower. Upper chamber is used to carry the material and lower chamber is used to aerate the fabric. Fluid slides consist of special synthetic fabric, high-pressure fan and manual butterfly valves for control of air.