G4 Glass Fiber Filter Cotton Panel Primary Air Filter

G4 Glass Fiber Filter Cotton Panel Primary Air Filter  Pre-filter and foreign material filtration in commercial and industrial ventilation systems1. Used for clean room conditioning system, pre-filtration through fresh air venting units, and exterior air conditioning connection.2. Primary filtration of central air conditioning system.3. Pre-filtration at the inlet of Air purification equipmen.4. Pre-filtration in a medium filter.5. Primary filtration or secondary filtration in a filter system.6. Glass fiber plank pre-filter in Ventilation system for outdoor fire-proof and high temp resistance working condition.   - Low air velocity resistance - High Dust holding capacity  - Economic  - Filter material : glass fiber filter cotton (Optional: polyester fiber cotton ,polyester fiber filter cotton).- Support structure: galvanized mesh. aluminum mesh ,stainless steel mesh ,spray plastic mesh.- Outer Frame: galvanized steel frame ,Aluminum Alloy frame ,stainless steel frame.- Customization:Can be customized with washable material, multiple use after washing.                           Can be customized with removable structure, outer frame and mesh can be multiple used.Filter Grade: G2,G3,G4(en779),EU2,EU3,EU4(EUROVENT).Filter Object: Particles ≥5μm.Filtration Efficiency : 75% ,85%,95% (ASHRAE52.1-1992).Humid Tolerance (relative humidity): Less than 100%RH.High Temperature Resistance: Polyester fiber is less than or equal to 100DEG C ,glass fiber is less than or equal to 300ºC.Instantaneous Temperature : Polyester fiber is less than or equal to 120 DEG C ,glass fiber is less than or equal to 350 ºC.ModelOutline DimensionRates Air Velocity(m/s)Rated Air Flow(m3/h)Initial Pressure Drop (Pa)H(mm)W(mm)T(mm)FRS-PB-7595595711200≤50FRS-PB-1059559510FRS-PB-1559559515FRS-PB-2159559521FRS-PB-2559559525FRS-PB-4659559546Remarks: Other specifications can be customized   1. We have specialized in the export of air filters for over 14 years.2. We have our own factory and brand.3. We provide OEM and ODM service, sample production and service according to your demand.4. The dimension can be customized. 5. Our company have passed ISO9001 2008 and ISO9001 2015,  ISO14001, ISO45001, ISOTS16949-2009.  6. The products have passed SGS certification, CE certification, UL900 certification.7. With independent R&D and design capabilities./* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1