12 Pack Activated Carbon Filter Replacement Refills for Solder Smoke Absorber Remover Fume Ventilation Extractor Flux Smoke Prevention Absorber, Compatible with DIY Fume Extractor with 4.7inch x 4.7inch Fan Unit. fumes from lead soldering; Absorbs and neutralizes smelly odors. well for filtering flux smoke. Absorber for Soldering, Electric Iron Welding, 3d Printing Extractor Absorber Remover DIY Extractor Carbon or HEPA Filter. 12 Pack: Each package includes 12 activated carbon filter replacement cartridges, providing a long-lasting and cost-effective solution for your fume extraction needs. Premium Quality: Made from high-quality activated carbon, these filters effectively capture and remove harmful fumes, odors, and particles from the air, ensuring a safe and comfortable working environment. Each product is individually sealed and not be exposed to air to weaken the adsorption capacity. Color: Black Material: sponge Package Contents: 12 Pack x Activated Carbon 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.