Description: Optimal Filtration: This high-quality activated carbon filter offers superior air purification, effectively removing contaminants and odors from your 3D printing environment. Easy installation and a to maintain optimal printer performance. and Reliable: Constructed with premium materials, this filter is built to last, providing reliable filtration without frequent replacements. Specifications: Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: Black Material: Activated carbon Package Contents: 5 * Activated Carbon Air 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.