Feature●Packaging: Pack of 6●Target Audience: This product is a replacement filter material for Aheim 2213. Do not use for other purposes●Note: The filter thickness may vary due to external pressure during transportation. This does not affect its functionality. ● Shipping source is on Amazon, the product will arrive earlier than the estimated delivery date. If it is shipped from overseas, the estimated delivery date on Amazon may differ from the actual arrival date. Please check before ordering●Quality Assurance: If you have any problems with using the product, please feel free to contact us. We will try our best to meet your needsDescription