** With high performance, high strength and fracture resistance of polyester fiber, encryption, step by step Carding web produced by hot air; ** Bulk densities high amount of dust, low resistance and flame retardant characteristics; ** Do not contain silicon, resistant to chemical such as chemical solvents, acid smog The influence of material; ** Resistance to humidity to 100% RH, long service life, after vacuuming or washing Can be used multiple times, economic and practical; ** Last 100 of heat-resistant, instantaneous heat resistance 120 ; ** Filter object 5 microns or dust particles and all kinds of suspended matter; Specifications: Color: Blue, White Material: Polyester fiber Size: 1x1m Thickness: 20mm Packing Details: 1 x AIR FILTER Application: Used in high demand in ventilation system of the following equipment: * air conditioning and ventilation system in the air; * for the wind system as the high dust exposure prefiltering; * spraying system and preliminary filtering and the baking device of gas flow; Notice: 1.Please allow 1-2cm error due to manual measurement.Pls make sure you do not mind before you bid. 2.The color may have different as the difference display,pls understand. When you place an order, please choose a shipping way and pay for the order including the shipping cost. We will send the items as soon as possible. We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect the time you get the parcel. Please note that buyers are responsible for all additional customs fees, brokerage feeds, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments. The shipping cost does not include any import taxes, and buyers are responsible for customs duties.