... laminar covers,etc.All levels of clean room terminal filter.High temperature air purification.AdvatageAdvanced automatic folding system, filtration ... high performance reliableWith the high quality, high performance of the filter paper as filtration materialFilter area is large, large flow, small resistance, efficiency ... ×2923000≤2351200302GB-21220×610×2924000≤235160056 Deep- pleat Hepa Filter Box