?Specification: Filter type: Organic vapor/gas and dust particles Facepiece type: full face (reusable) Primary material: thermoplastic elastomer (TPE) Size: one size fits all ?When to Change the Filter Cotton? When you feel that the breathing resistance is obviously too large, the human body feels uncomfortable, or the filter dust is dirty or damaged, the filter cotton needs to be replaced. The filter cotton is usually replaced in about 8 hours (you can extend or shorten the service life according to your environment) ?Applicable Occasion Carpentry Work Grinding Work Sawing Work Polishing Work Auto Mechanic Demolition Work Decoration Project Metal Cutting & Welding Suitable for production in cement factories, ceramics factories, shipyards, soldering, railway,metal smelting,interior renovation,stone processing,graffiti painting, wall art, powder processing, etc. ? Warm Tips: Used in special cases: the filter box is generally replaced within 200 hours. The filter box and filter cotton can not be washed, other parts of the mask can be cleaned. Do not use in the following cases. Unknown hazardous substances. Concentrations of harmful substances Too high The shelf life of the filter cartridge is 5 years ?Package Included: 1 x Respirator full Face Cover 2 x Replaceable Filter Boxes 2 x Plastic Covers 10 x Filters Cotton?Satisfied Service?We are committed to ensuring your 100% satisfaction, 60-day unconditional return policy, if there is any quality problem with the product, please contact us directly, we will arrange a return, refund or resend for you immediately. ?Wide Field of View and Various Scenes?Full-face design provides extra protection for your eyes, allowing your eyes to have a wider field of vision. Suitable for outdoor work, welding, railway, manufacturing, workshop, eye protection DIY, laboratory, cleaning, construction, desert, designer, electrician, infield work, engineer, laser, machining, etc. ?Multiple Connection Types?Reusable respirator respirators have two interface designs - universal type filter box and 40mm filter suitable. Therefore, you can choose almost any type of filter to use with this respirator according to your needs. ?Sealing Comfort and Ergonomic Design?Reusable full face breathing mask is made of high quality silicone mixture material, non-toxic, soft, comfortable, durable, safe and healthy. Use the easily adjustable bi-fold elastic headband for a comfortable feel against the skin. Full face coverage and straps fit most head sizes and are designed to fit snugly and comfortably. ?Advanced Material and Effective Filtration?This reusable full face breathing mask is made of high quality silicone blend material, non-toxic, soft, comfortable, durable, safe and healthy. The cartridge adopts double filtration to provide professional personal protection, equipped with double filtration of filter element and filter cotton. Hook and Loop closure.Best Sellers Rank: See Top 100 in Tools & Home Improvement. Material: Plastic, Cotton. Number of Items: 1. Color: Grey. Size: Large. Brand: WOBECOO. : B0B9LHLJTT. Date First Available: August 14, 2022. Department: unisex-adult. Package Dimensions: 9.53 x 7.76 x 5.87 inches; 1.85 Pounds.