--- product_id: 657293023 title: "FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820" brand: "isinlive" price: "MX$1802" currency: MXN in_stock: true reviews_count: 13 category: "Isinlive" url: https://www.desertcart.mx/products/657293023-flt4825-hepa-filter-b-replacement-for-guardian-air-purifier-ac4825e store_origin: MX region: Mexico --- # FSC-certified eco materials True HEPA filtration Perfect multi-model fit FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820 **Brand:** isinlive **Price:** MX$1802 **Availability:** ✅ In Stock ## Summary > 🌿 Breathe smarter, live cleaner — the filter upgrade your air purifier deserves! ## Quick Answers - **What is this?** FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820 by isinlive - **How much does it cost?** MX$1802 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/657293023-flt4825-hepa-filter-b-replacement-for-guardian-air-purifier-ac4825e) ## 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 - • **Bulk Value Pack:** Includes 4 HEPA filters + 8 carbon pre-filters—stay stocked and stress-free all year. - • **Sustainably Crafted:** Made with FSC-certified paper and backed by responsive customer support for confident purchases. - • **Seamless Compatibility:** Fits 10+ Guardian, PureGuardian & Black+Decker models for effortless upgrades. - • **Versatile Everyday Use:** Ideal for bedrooms, offices, kitchens, and pet zones—breathe fresher air wherever you work or relax. - • **Advanced Dual Filtration:** Combines HEPA Filter B with activated carbon pre-filters to trap 99.97% of airborne particles and odors. ## Overview The FLT4825 HEPA Filter B Replacement is a premium, multi-pack filter set compatible with a wide range of Guardian, PureGuardian, and Black+Decker air purifiers. Featuring true HEPA filtration combined with activated carbon pre-filters, it effectively removes 99.97% of airborne particles and odors. Designed for everyday household environments, this FSC-certified, eco-conscious filter pack ensures fresh, clean air year-round with convenient bulk quantities and trusted quality. ## Description desertcart.com: FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820 | Also Fits for AC4825 AC4300 AC4800 AC4880 AC4900 AC4850 AC4850PT AP2200CA, 4 Pack HEPA with 8 Activated Carbon Pre-Filters : Home & Kitchen Review: No carbon pre-filters! - Fit and work as expected. I am very glad to be able to buy them without the carbon pre-filters., of which I have too many. Review: Great product for air filtration. - Good price , work great for indoor air quality even with Canadian wildfire smoke. We are enjoy clean fresh smelling air. ## Features - PERFECT FIT: Compatible with FLT4825 Filter B and fits Guardian Air Purifier Models AC4300BPTCA, AC4820, AC4825, AC4825E, AC4825W, AC4850PT, AC4870, AC4900CA, CDAP4500BCA, and CDAP4500WCA. Also fits PureGuardian AP2200CA and Black+Decker BXAP148 and BXAP150 Air Purifiers. Please check your model before purchase - HEPA FILTER B REPLACEMENT: Includes HEPA Filter B replacements and activated carbon pre-filters designed to work together in compatible air purifier systems. An ideal replacement solution for routine filter maintenance - COMPLETE FILTER REPLACEMENT SET: Each package contains 4 HEPA filters and 8 activated carbon pre-filters. The extra carbon pre-filters provide added flexibility for regular replacement schedules - DESIGNED FOR EVERYDAY USE: Suitable for bedrooms, living rooms, offices, kitchens, pet areas, and other everyday household environments. A convenient replacement set for maintaining your air purifier throughout the year - BUY WITH CONFIDENCE: Made with FSC-certified paper materials and manufactured to meet quality standards. If you need assistance with compatibility, installation, or product support, our customer service team is always happy to help ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07RJ36L6L | | Air Filter Construction | Pleated | | Best Sellers Rank | #9,950 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #74 in Home Air Purifier Parts & Accessories | | Brand | isinlive | | Brand Name | isinlive | | Common Applications | Appliances | | Compatible Air Purifier Models | GermGuardian AC4300BPTCA, GermGuardian AC4850PT, GermGuardian AC4900CA, PureGuardian AP2200CA | | Compatible Devices | Compatible with Guardian filter b, FLT4825, AC4300BPTCA, AC4900CA, AC4825, AC4825E, AC4850PT, AC4900CA, Compatible with PureGuardian Model AP2200CA and Black+Decker BXAP148 Compatible Devices Compatible with Guardian filter b, FLT4825, AC4300BPTCA, AC4900CA, AC4825, AC4825E, AC4850PT, AC4900CA, Compatible with PureGuardian Model AP2200CA and Black+Decker BXAP148 See more | | Compatible Hvac Systems | residential | | Customer Reviews | 4.7 out of 5 stars 6,254 Reviews | | Filter Shape | Rectangular | | Item Dimensions L x W x Thickness | 15.7"L x 4.7"W x 0.6"Th | | Item Weight | 13.76 ounces | | Manufacturer | isinlive | | Material | Plastic | | Material Type | Plastic | | Model Number | FLT4825 | | Number of Items | 12 | | Product Dimensions | 15.7"L x 4.7"W x 0.6"Th | | Product Grade | new | | UPC | 680904375826 | | Unit Count | 12 Count | ## Product Details - **Air Filter Construction:** Pleated - **Brand:** isinlive - **Filter Shape:** Rectangular - **Item Weight:** 13.76 ounces - **Manufacturer:** isinlive - **Material:** Plastic - **Number of Items:** 12 - **Product Dimensions:** 15.7"L x 4.7"W x 0.6"Th - **UPC:** 680904375826 ## Images ![FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820 - Image 1](https://m.media-amazon.com/images/I/71qDfHKk-ML.jpg) ![FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820 - Image 2](https://m.media-amazon.com/images/I/71FHU1fKqGL.jpg) ![FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820 - Image 3](https://m.media-amazon.com/images/I/71oSuN7geFL.jpg) ![FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820 - Image 4](https://m.media-amazon.com/images/I/71irbDUhWDL.jpg) ![FLT4825 HEPA Filter B Replacement for Guardian Air Purifier AC4825E AC4820 - Image 5](https://m.media-amazon.com/images/I/818dO+4eOcL.jpg) ## Available Options This product comes in different **Color** options. ## 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ No carbon pre-filters! *by A***N on July 3, 2026* Fit and work as expected. I am very glad to be able to buy them without the carbon pre-filters., of which I have too many. ### ⭐⭐⭐⭐⭐ Great product for air filtration. *by T***S on July 16, 2026* Good price , work great for indoor air quality even with Canadian wildfire smoke. We are enjoy clean fresh smelling air. ### ⭐⭐⭐⭐⭐ Not sure about the scientific value but they fit perfect. *by A***R on June 14, 2026* These seem to be similar quality to the much more expensive branded ones. I like that they give you extra prefilters. Not sure about the scientific value but they fit perfect. Great price. ## 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.mx/products/657293023-flt4825-hepa-filter-b-replacement-for-guardian-air-purifier-ac4825e](https://www.desertcart.mx/products/657293023-flt4825-hepa-filter-b-replacement-for-guardian-air-purifier-ac4825e) --- *Product available on Desertcart Mexico* *Store origin: MX* *Last updated: 2026-08-09*