--- product_id: 416534877 title: "4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters" brand: "fmdzfl" price: "310.45 DT" currency: TND in_stock: true reviews_count: 8 category: "Fmdzfl" url: https://www.desertcart.tn/products/416534877-4-pack-flt4825-hepa-filter-b-replacement-compatible-with-ac4825 store_origin: TN region: Tunisia --- # Activated carbon for odor & gas removal Filters particles down to 0.3 microns H13 True HEPA filtration 4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters **Brand:** fmdzfl **Price:** 310.45 DT **Availability:** ✅ In Stock ## Summary > 🌬️ Elevate your air game—because your lungs deserve the best! ## Quick Answers - **What is this?** 4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters by fmdzfl - **How much does it cost?** 310.45 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/416534877-4-pack-flt4825-hepa-filter-b-replacement-compatible-with-ac4825) ## Best For - fmdzfl enthusiasts ## Why This Product - Trusted fmdzfl brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Odor & Gas Defense:** Activated carbon pre-filters neutralize household odors and wildfire gases, keeping your space fresh and inviting. - • **Effortless Maintenance:** Tool-free installation and easy filter reset ensure hassle-free upkeep—replace HEPA every 6-8 months, pre-filter every 2-3 months. - • **Universal Compatibility:** Designed to perfectly fit multiple popular air purifier models including AC4825 series and Black+Decker BXAP148. - • **Breathe Pure, Live Better:** H13 True HEPA filter captures 99.97% of airborne particles as small as 0.3 microns for cleaner, healthier air. - • **Value Pack for Year-Round Freshness:** Includes 4 True HEPA filters and 6 activated carbon pre-filters—ideal for maintaining optimal air quality across multiple rooms or devices. ## Overview The 4 Pack FLT4825 Replacement Filters feature H13 True HEPA technology combined with activated carbon pre-filters to effectively trap microscopic particles and neutralize odors. Compatible with a wide range of popular air purifier models, these filters offer easy, tool-free installation and come in a value pack designed for consistent, year-round air quality maintenance. ## Description 4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters ## Features - Compatible with select models (AC4825, AC4825E, AC4300, AC4800, AC4900, AC4850, AC4880, AP2200CA) and the Black+Decker BXAP148, Please note that this is not an original manufacturer product, but it is designed specifically for compatibility with the listed models - Enjoy fresh, clean air all year round with the FLT4825 Replacement Filter. This H13 true HEPA filter, combined with a high-efficiency activated carbon filter, effectively filters airborne particles as small as 0.3 microns, It also decomposes unpleasant household odors and wildfire gases, keeping your living environment fresh and comfortable. Designed to ease uncomfortable symptoms caused by problematic air, this filter is a must-have for anyone looking to improve their indoor air quality - Package includes 4 x H13 True HEPA Filter and 10 x Activated Carbon Filter. Maintaining optimal air quality in your home or office is crucial for your health and well-being. That's why it's essential to replace the filters in your regularly. We recommend replacing the HEPA filter every 6-8 months and the pre-filter every 2-3 months for optimal performance - Replacing the filter in your machine is a straightforward process that doesn't require any tools. Simply re-move the old filter and insert the new one into the unit. Once installed, turn on the machine and press the UV button for 5 seconds until the flashing red light disappears, indicating that the filter has been successfully reset - FMDZFL is dedicated to providing high-quality and cost-effective filters to help create a better living environment. We after-sales team is ready to provide satisfactory service for any queries or concerns you may have regarding their air filters ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09PTHD1ZP | | Air Filter Construction | Pleated | | Best Sellers Rank | #10,543 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #50 in Air Purifier Filters | | Brand | FMDZFL | | Brand Name | FMDZFL | | Common Applications | Appliances | | 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 | | Customer Reviews | 4.8 out of 5 stars 2,227 Reviews | | Item Dimensions L x W x Thickness | 15.8"L x 4.72"W x 1.37"Th | | MERV Rating | 13 | | Manufacturer | FMDZFL | | Material | Polypropylene | | Material Type | Polypropylene | | Model Number | FLT4825 | | Number of Items | 1 | | Product Dimensions | 15.8"L x 4.72"W x 1.37"Th | | Product Grade | HEPA 13 | | Unit Count | 4.0 Count | ## Product Details - **Air Filter Construction:** Pleated - **Brand:** FMDZFL - **MERV Rating:** 13 - **Manufacturer:** FMDZFL - **Material:** Polypropylene - **Number of Items:** 1 - **Product Dimensions:** 15.8"L x 4.72"W x 1.37"Th - **Product Grade:** HEPA 13 - **Unit Count:** 4.0 Count ## Images ![4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters - Image 1](https://m.media-amazon.com/images/I/81HMZWUa+1L.jpg) ![4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters - Image 2](https://m.media-amazon.com/images/I/71pAlwqfCpL.jpg) ![4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters - Image 3](https://m.media-amazon.com/images/I/81zThiU8BIL.jpg) ![4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters - Image 4](https://m.media-amazon.com/images/I/71YiDldNoqL.jpg) ![4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4880 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters - Image 5](https://m.media-amazon.com/images/I/71UbfwNC8WL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Are these compatible to germ guardian ac4900** A: On the box it says compatible with germ guardian models shown in video. Hope this helps. **Q: what are the dimensions of the filters?** A: The flt4825 hepa filter b replacement dimensions are 4.7in x 1.26in x 15.8in **Q: are these filters compatable with Envion 4 Season: with air purifier,humidifier, heat and cool?** A: I use mine for my air purifier. You have to make sure you use exactly what the manufacturer recommends **Q: Wil these fit the Allen T500?** A: These were replacement filters for a Germ Guardian air purifier. Type in your search for your specific brand and see what comes up. I have not heard of a Allen T500 before. Most filters will tell you in the description what type of filter it can replace. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by C***L on April 18, 2026* ### ⭐⭐⭐⭐⭐ Review *by J***Y on April 1, 2026* ### ⭐⭐⭐⭐⭐ Review *by M***S on April 2, 2026* ## Frequently Bought Together - 4 Pack FLT4825 HEPA Filter B Replacement Compatible with AC4825 AC4825E AC4300 AC4800 AC4900 AC4850, 4 True HEPA Filters & 6 Activated Carbon Pre-filters - 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 - 2 Pack FLT4825 True HEPA Filter B Replacement with Activated Carbon Pre-Filters Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850 --- ## 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.tn/products/416534877-4-pack-flt4825-hepa-filter-b-replacement-compatible-with-ac4825](https://www.desertcart.tn/products/416534877-4-pack-flt4825-hepa-filter-b-replacement-compatible-with-ac4825) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-06*