Hdpe Pleated Rod Type Pre FilterConstruction: are made from high quality synthetic non-woven media, supported by a fine HDPE media on both sides. Media is then housed inside an extruded aluminium frame.SPECIFICATIONEfficiency Standard HDPE pleated type filters have an efficiency of 90% for 10 micron size particles. Pre filters with an efficiency rating of 80 to 90% to capture 10 micron to 25 micron size particles are also available on order.Filtration Class Filter grades G3, G4, F5 of EN779, ASHRAE 52.2 equivalent MERV 6, 7, 8, 9, 10 and Eurovent EU3, EU4 and EU5 are availableFrame Type Available in flange or box typeFrame Material Standard model is constructed in Galvanized steel. Other models with Aluminium AnodizedStainless steel frame with or without powder coating are also available on order.Filter Media HDPE and non-woven synthetic.Gasket No Gasket is installed in standard filter model. Non-woven synthetiRubber gasket can be ordered on requestSeparators NoneSealant PU based epoxyFace Guard No face guard with standard model is supplied. On orderrequest filter can be protected with expanded mesh on both sidesApplication Pre filters are most suited for:Air Handling Units (AHUs), Air-conditioning systems, Power Plants, Chemical and Fertilizer complexes, Green Houses, Automatic Drain Holes, Paint Shops, Textile Mills, Cement Factories, Laminar Air Flow Units, Biosafety Hoods, Fan Filter Units (FFU), Gas Turbine Industry, Compressor, Diesel Engines, Nuclear Power Station, C