Product Features : It is made of high quality rubber material, dual cartriges design. This have a comfortable wear experience, easy to breathe. The is lightweight design so you don’t worry you are tired for long time wear. Specification: Material: High quality rubber Package size: 24.51320.2cm Weight: 855g Type: Activated carbon Item included: 1 × 2 × LDY3 P-A-1 cartridges 1×Storage Bag 1× English Instructions. Application: Protection Object:Organic gas and vapors, chlorine benzene, acetone, alcohols, anilines, carbon dioxide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, chloropicrin. Note 1:For your safety, according the working environment you should choose correct cartridges protecting from organic vapors. Please replace the cartridges in time. 2:When you use cartridge/cotton in humid or steam environment, please change it regularly to make sure breath smoothly, as it can absorb steam and dust. Don’t use cartridge in dry working environment, otherwise it will be difficult to breathe. 3:The life of cartridge depends on the concentration of the organic gases. Please with us if you want more information about how long to replace cartridge in your environment, we will give you our advice. FIT COMFORTABLE? – Made of high quality rubber material, tight seal, and wear comfortable. Soft, durable and easy to clean. EASY TO BREATHE? – The durable breathing valve, dual cartridges design come with less breathing resistance and smooth breathing. Simple to screw on and off. ANTI-FOG&HIGH IMPACT LEVEL? – Full screen design, with high impact level superior lens offering effective spatter protection. Meanwhile it offer a good vision. SUPERIOR PROTECTION? – Against all kind of organic vapors protection. Apply in paint, spray, chemicals, polish protection, laboratory, general maintenance/operations, construction, general cleanup work, etc. MULTI-SCENE USE? – Multi-purpose respirator assembly works in a variety of workplace applications. Protect against all kind of organic gases and vapors, chlorine benzene, alcohols, and carbon dioxide, etc. The respirator is widely used in paint, chemicals, polish, spraying, experiments, oil extraction, mining and metallurgy, or welding, etc. If you want to order more cartridges, please search : B07TYC2DBX & B07MT7QZHY.