--- product_id: 247119033 title: "PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack" brand: "tesoro moda" price: "¥3992" currency: JPY in_stock: true reviews_count: 8 category: "Tesoro Moda" url: https://www.desertcart.jp/products/247119033-pm2-5-replacement-filters-for-st-ax-and-st-ag store_origin: JP region: Japan --- # Up to 24h continuous use Electrostatic fiber traps nano particles 5-layer high-efficiency filtration PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack **Brand:** tesoro moda **Price:** ¥3992 **Availability:** ✅ In Stock ## Summary > 🛡️ Elevate your mask game with filters that work as hard as you do! ## Quick Answers - **What is this?** PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack by tesoro moda - **How much does it cost?** ¥3992 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/247119033-pm2-5-replacement-filters-for-st-ax-and-st-ag) ## Best For - tesoro moda enthusiasts ## Why This Product - Trusted tesoro moda brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Filter Swap:** Quick-install design keeps you protected with minimal downtime—stay ready, stay safe. - • **Breathe Easy, Work Hard:** Low inhalation resistance ensures comfort during long shifts or active use without fatigue. - • **Advanced 5-Layer Defense:** Blocks dust, pollen, exhaust & particles 100x smaller than a human hair for unmatched protection. - • **Electrostatic Powerhouse:** Harnesses electrostatic cotton to trap ultra-fine pollutants invisible to the naked eye. - • **Versatile for Every Task:** Perfect for industrial, home, gardening, woodworking, and allergy defense—your all-in-one shield. ## Overview These PM2.5 replacement filters for ST-AX and ST-AG respirator masks feature a cutting-edge 5-layer construction including an electrostatic cotton core that traps particles 100 times smaller than a human hair. Designed for up to 24 hours of continuous use, they reduce airborne particle exposure by up to 90%, combining high efficiency with low breathing resistance. Ideal for professional and casual environments, this 10-pack ensures you stay protected across diverse activities from industrial work to seasonal allergy defense. ## Description PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack: desertcart.com: Tools & Home Improvement Review: Good replacement filter - These filters work very well. I've used them for everything from welding, grass cutting to house cleaning. I would recommend this product for replacement in the appropriate mask. Review: They filter great - They were easy to put ib ny mask. ## Features - 【BLOCK AIRBORNE PARTICLES】 and experience less inhalation resistance with these high-efficiency PM2.5 mask filter replacements. More protective than a cloth mask, these premium filters for the ST-AX Respirator Face Mask protect you with mechanical and electrostatic filtration. Stop gases, dust, pollen, auto exhaust and other industrial and environmental pollutants from hindering your breathing. - 【5 HIGH-EFFICIENCY LAYERS】 include 2 outer layers of spunbond cloth for micron level pollutants. A high-efficiency core filter layer traps industrial pollutants and automotive exhaust. A filter density layer captures pollen and smoke. At the very center of our face mask filters is an advanced electrostatic cotton layer that traps nano-scale particles that are 100x smaller than a human hair. - 【LESS INHALATION RESISTANCE】 makes our high-efficiency particulate filters for face masks suitable for active and casual use. Enjoy up to 24 hours of continuous use or 1-2 weeks of occasional use without the unnecessary strain on your heart and body. These 5-layer disposable mask filter inserts reduce exposure by as much as 90% when used in your ST-AX and ST-AG respirator mask. - 【VERSATILE APPLICATIONS】 of our 5-layer mask filters make them suitable for home, industrial and commercial uses. They filter-out dust, pollen, spores and other particles that have a diameter less than 2.5 micrometers. Enjoy gardening, do woodworking with table saws and sanders, reduce the impact of seasonal allergies and defend yourself while painting, casting or chiseling. - 【EASY TO INSTALL】 face mask filter inserts for ST-AX respirators are ready to use. Simply open the filter compartment on your mask, remove the expended filter and slip in a fresh filter. This 10-pack of high-efficiency P2.5 mask filter replacements provides up to 240 hours of protection from airborne particles so you can work in comfort or enjoy your favorite crafts and activities. The approx. filters size:4.25x3 inches/10.5x7.5 cm. Respirator is available at desertcart: B08GZRFXP9 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08JWL86YR | | Best Sellers Rank | #243,187 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #255 in Respirator Cartridges & Filters | | Customer Reviews | 4.5 4.5 out of 5 stars (167) | | Date First Available | September 23, 2020 | | Item model number | ST-AGX-1 | | Manufacturer | Tesoro Moda | | Product Dimensions | 7 x 5.5 x 1 inches; 0.6 ounces | ## Product Details - **Brand:** Tesoro Moda - **Color:** White - **Material:** Cotton - **Model Name:** PM 2.5 - **Size:** 10 Count (Pack of 1) ## Images ![PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack - Image 1](https://m.media-amazon.com/images/I/81UPdpdKLDL.jpg) ![PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack - Image 2](https://m.media-amazon.com/images/I/81cpJiC5uZL.jpg) ![PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack - Image 3](https://m.media-amazon.com/images/I/81cIlDzEvTL.jpg) ![PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack - Image 4](https://m.media-amazon.com/images/I/81p-jVFmWAL.jpg) ![PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack - Image 5](https://m.media-amazon.com/images/I/81hoZWh1JjL.jpg) ## Questions & Answers **Q: Are these non-woven?** A: they are non-woven. **Q: Are these filters miltiuse?** A: Each filter should be used in the respirator and then thrown away. The time of usage depends on exposure to chemicals. **Q: Are these equivalent to n95 filters?** A: they are equivalent to N90 filters. **Q: Dimensions of the filter?** A: length is 4 1/4" width is 3" at the center ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good replacement filter *by B***R on September 18, 2025* These filters work very well. I've used them for everything from welding, grass cutting to house cleaning. I would recommend this product for replacement in the appropriate mask. ### ⭐⭐⭐⭐⭐ They filter great *by B***S on January 18, 2021* They were easy to put ib ny mask. ### ⭐⭐⭐⭐⭐ No dust *by P***T on December 24, 2020* I love these filters works awesome filtering stuff ## Frequently Bought Together - PM2.5 Replacement Filters for ST-AX and ST-AG Respirator Face Masks – High Efficiency 5 Layer Construction with Electrostatic Fiber Traps Particles 100X Smaller Than a Human Hair -10 Pack - RANKSING Replacement Parts, Electrostatic high Efficiency Fiber Filter Cotton for Mesh or Neoprene Running,10 Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/247119033-pm2-5-replacement-filters-for-st-ax-and-st-ag](https://www.desertcart.jp/products/247119033-pm2-5-replacement-filters-for-st-ax-and-st-ag) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-05-14*