Features Purpose: These activated carbon filters are used as fume absorbers when absorbing welding fume. Function: The activated carbon filter can remove most harmful solder fumes and create healthy working conditions. Practical Specifications: A set of 10 activated carbon filters can be used for a period of time. Good quality: The filter is essential to ensure a healthy, safe and comfortable working environment for welding workers. Easy to use: just put it on the smoke absorber to enjoy the welding work. Features: Purpose: These activated carbon filters are used as fume absorbers when absorbing welding fume. Function: The activated carbon filter can remove most harmful solder fumes and create healthy working conditions. Practical Specifications: A set of 10 activated carbon filters can be used for a period of time. Good quality: The filter is essential to ensure a healthy, safe and comfortable working environment for welding workers. Easy to use: just put it on the smoke absorber to enjoy the welding work. Specifications: Material:Activated carbon sponge Color: Black Size: 13*13cm/5.1*5.1in Quantity: 10pcs Weight: 152g(approx.) Package Includes: 10 x Activated Carbon Filters ( other items are NOT included ) Package List