Specification: Brand new Material: Polyester fiber Color: Blue, White Size: approx. 1m*1m / 1m*5m (optional) Thickness: 20mm Filtering dust: ≥5μm Temperature resistance: 100℃ Humidity resistance: 100% Feature: Processed by high-performance synthetic fiber with gradual density. Do not contain silicon, resistant to chemical such as chemical solvents, acid smog the influence of material. Filter object 5 microns or dust particles and all kinds of suspended matter. High dust holding capacity and low resistance, strong fire retardance. High performance, high strength. Waterproof, acid and alkali resistant. Washable and economical. Can be used multiple times after vacuuming or washing. Long service life. 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. Package included: 1 x Air Filter Note: Please allow 1-5cm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.