Features Function: These activated carbon filters are used to absorb the fume generated during welding, which is equivalent to a light and easy-to-carry fume absorber. Effect: Activated carbon filter can remove most harmful welding fumes and help create healthy working conditions, which are indispensable for a safe and comfortable working environment and ensuring the health of welding workers Quantity: There are 10 active carbon filters in one set, you can use them for a long time, let you no longer worry about the negative effects of smoke Use: Convenient and easy to use, just put it on the fume absorber and enjoy your welding work. Easy to carry:The product is 5.1*5.1in, 10 pieces weigh 152g in total, you can easily carry it to any workplace Specifications:Material:Activated carbon spongeColor: BlackSize: 13*13cm/5.1*5.1inQuantity: 10pcs Weight: 152g(approx.) Package Includes: 10 x Activated Carbon Filters (other items are NOT included) Package List