Compatible:2097 P100 filter retainer used with 6000/7000/ 6200/6800/FF-400 series Retainer, can not be used alone. Please confirm this is the model you need before placing an order. Material: High Electrostatic Filter Material, Non-woven fabric, Meltblown fabric, hot air cotton.as at least a 95% filtration efficiency,Comfortable breathing,Recommended for use in environments containing certain non oil-based particles. Warm Attention: The product cannot produce oxygen, please do not use it when the oxygen concentration is lower than 19.5%. Replacement Time: When the filter cotton is dirty, damaged, and the breathing resistance increases significantly, please replace the filter cotton. Color: Pink Material: cotton cloth Package Contents: 10 x Particulate Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.