--- product_id: 254034989 title: "isinlive 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850" brand: "isinlive" price: "₩122313" currency: KRW in_stock: true url: https://www.desertcart.kr/products/254034989-isinlive-2-pack-flt4825-true-hepa-filter-b-replacement-activated store_origin: KR region: South Korea --- # True HEPA filtration captures 99.97% of particles Activated Carbon Pre-Filters for odor & VOC removal 2-pack + 8 extra pre-filters for extended freshness isinlive 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 **Brand:** isinlive **Price:** ₩122313 **Availability:** ✅ In Stock ## Summary > 🌬️ Elevate your air game—because fresh air is the new luxury! ## Quick Answers - **What is this?** isinlive 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 by isinlive - **How much does it cost?** ₩122313 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/254034989-isinlive-2-pack-flt4825-true-hepa-filter-b-replacement-activated) ## Best For - isinlive enthusiasts ## Why This Product - Trusted isinlive brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Odor-Free Oasis:** Activated carbon pre-filters neutralize odors and harmful gases - • **Extended Filter Life:** Pre-filters protect HEPA filter, maximizing durability and performance - • **Ready for Replacement:** Includes 2 HEPA filters and 8 extra pre-filters—stay ahead of air quality - • **Seamless Compatibility:** Fits multiple Guardian and Black+Decker air purifier models effortlessly - • **Breathe Pure, Live Better:** True HEPA filter traps microscopic pollutants for cleaner air ## Overview The isinlive 2 Pack FLT4825 True HEPA Filter B Replacement set features premium True HEPA filters combined with activated carbon pre-filters to capture 99.97% of airborne particles and neutralize odors. Compatible with a wide range of Guardian and Black+Decker air purifiers, this pack includes 2 HEPA filters plus 8 extra pre-filters, ensuring prolonged filter life and consistently fresh indoor air. ## Description Compatibility: perfectly fit for Guardian filter b, Guardian air purifier models: FLT4825 Filter B, AC4300BPTCA, AC4900CA, AC4825, AC4825E, AC4850PT, AC4900CA, AC4820, PureGuardian Model AP2200CA and Black+Decker BXAP148. Package includes: 2 HEPA Filters and 8 Activated Carbon Pre-Filters An ideal flt4825 hepa filter b replacement true HEPA air purifier filters replacement professionally designed for your units. We suggest changing the HEPA filter after 8-12 months and the activated carbon pre-filter every 2-3 months or as needed. This is not a guardian OEM product. Any use of the brand names or model designation for this product is made solely for purposes of demonstrating compatibility. ## Features - Compatible with FLT4825 hepa filter b replacement Guardian air purifier models: FLT4825 Filter B, AC4300BPTCA, AC4900CA, AC4825, AC4825E, AC4850PT, AC4900CA, AC4820, PureGuardian Model AP2200CA and Black+Decker BXAP148 - FLT4825 hepa filter b replacement premium HEPA: True HEPA Filter can greatly improve air quality - These guardian technologies filter b, flt4825 hepa filter b replacement contains Activated Carbon Pre-Filter and HEPA. Activated Carbon Pre-Filters: Provide you with fresh and clean enviroment and help extend HEPA filter life - Having filter size b flt4825 offer a healthier and happier life: ideal products for you to enhance the quality of your life - Package contains 2 HEPA Filters B and 8 extra Activated Carbon Pre-Filters. If you are not satisfied with anything, we offer full refund or a new pack for guardian air purifier filter replacement ## Technical Specifications | Specification | Value | |---------------|-------| | Brand Name | isinlive | | Model Info | FLT4825 | | Product Dimensions | 39.88 x 11.94 x 1.52 cm; 390.09 g | | Compatible Device | Air Purifier | | Material Type | True HEPA Filter | | Batteries Included? | No | | Batteries Required? | No | | Item Weight | 390 g | ## Product Details - **Brand:** isinlive - **Material:** True HEPA Filter - **Compatible devices:** Air Purifier - **Item weight:** 0.86 Pounds - **UPC:** 680904375826 ## Images ![isinlive 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 - Image 1](https://m.media-amazon.com/images/I/81aGoTklR3L.jpg) ![isinlive 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 - Image 2](https://m.media-amazon.com/images/I/71f0IG0UkPL.jpg) ![isinlive 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 - Image 3](https://m.media-amazon.com/images/I/81dyWzunYhL.jpg) ![isinlive 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 - Image 4](https://m.media-amazon.com/images/I/71R+Wkvu4-L.jpg) ![isinlive 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 - Image 5](https://m.media-amazon.com/images/I/71YyodPz+vL.jpg) ## Questions & Answers **Q: How the quality of prefilters? thick and sturd as the oem?** A: They are premium prefilters and same as oem quality. You can buy with confidence. **Q: Do these hepa have odor ?** A: Not at all. Even when first unpackaged. The odor of clean air after needing a new filter for 3 weeks is all I smell! :) **Q: Fits ac 4870 ?** A: 4870 isn't listed with compatible models so I would think not. **Q: Replacing filters worked, but red led ("replace filter") still blinks ?** A: Try holding the UV light button for 5 seconds. That should reset the replace filter light. ## Frequently Bought Together - 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 - GermGuardian 4-In-1 HEPA Air Purifier for Home, Large Rooms Up To 743 Sq. Ft. with HEPA Air Filter, UC-V Light & Odor Reduction, AC4825E, 22" Tower, Gray - Kittmip 2 Pack Replacement Bulb, 5W UV-C Bulb Compatible with Germ Guardian LB4000 AC4300BPTCA, AC4825, AC4850, AC4850PT, AC4900, AC4900CA, AC5300B, AC5350B, AC5350W Air Purifier --- ## 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.kr/products/254034989-isinlive-2-pack-flt4825-true-hepa-filter-b-replacement-activated](https://www.desertcart.kr/products/254034989-isinlive-2-pack-flt4825-true-hepa-filter-b-replacement-activated) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-07-08*