The STL is used to lower the dust loading of conventional filteration as it is designed to separate large size sand particles at low to medium speeds. It is also fitted with a bird screen mesh made of galvanized steel to protect against undesired objects. Insect screen of stainless steel can be installed as optional.
The STL is a self emptying system, it has a set of holes at the bottom face of the casing to discharge separated sand particles.
The STL is made of aluminium sections. It is composed of two sets of inverted U channels, mounted vertically on two opposite rows. Aluminium washable filter (optional) can be installed on the neck of the louver. Filter is 25mm thick.