--- product_id: 207989263 title: "Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches)" brand: "filterbuy" price: "9121458β‚«" currency: VND in_stock: true url: https://www.desertcart.vn/products/207989263-filterbuy-13x21-5x1-air-filter-merv-8-dust-defense-6 store_origin: VN region: Vietnam --- # Lasts up to 3 months MERV 8 Dust Defense 100% American made components Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) **Brand:** filterbuy **Price:** 9121458β‚« **Availability:** βœ… In Stock ## Summary > 🌬️ Breathe smarter, live better β€” upgrade your air game now! ## Quick Answers - **What is this?** Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) by filterbuy - **How much does it cost?** 9121458β‚« with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/207989263-filterbuy-13x21-5x1-air-filter-merv-8-dust-defense-6) ## Best For - filterbuy enthusiasts ## Why This Product - Trusted filterbuy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Endure:** Durable beverage board frame withstands humidity and temps up to 200Β°F. - β€’ **Made in the USA:** Crafted with pride using 100% American components for trusted quality. - β€’ **Superior Air Defense:** Traps 90% of airborne particles for cleaner, healthier indoor air. - β€’ **Seamless Compatibility:** Fits a wide range of Bryant and Carrier HVAC models effortlessly. - β€’ **Hassle-Free Maintenance:** Designed for easy installation and long-lasting performance up to 3 months. ## Overview Filterbuy’s 13x21.5x1 MERV 8 Air Filters offer premium dust defense by capturing 90% of airborne particles. Made in the USA with durable synthetic media and beverage board frames, these filters fit multiple Bryant and Carrier HVAC models and provide up to 3 months of reliable, hassle-free air purification for both residential and commercial spaces. ## Description International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ## Features - Comparable to Bryant and Carrier Part # KFAFK0112SML. Fits models 018/024, FV4, FK4, FC4, FB4, FA4, FH4, FA4ANF024, FA4BNC024, FA4BNF024, FB4ANF024, FB4BNF024, FC4CNF024000AAAA, FX4CNF018. - MADE IN THE USA: Manufactured by FilterBuy in the USA using 100% American made components. - TRAPS 90% OF AIRBORNE PARTICLES: Say goodbye to dust, debris, lint, pollen, and pet dander. Say hello to better indoor air quality! - HIGH QUALITY: Filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200 F. Synthetic media provides significantly higher particulate efficiency than standard cotton media. LONG-LASTING: Designed to last up to 3 months. Ideal for residential and commercial use. - International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | FilterBuy | | Model | AFB13x21.5x1M8Apk6 | | Product Dimensions | 32.72 x 54.61 x 1.91 cm; 0.28 g | | Part Number | AFB13x21.5x1M8Apk6 | | Special Features | Dust Collection, Easy to Install, Removable | | Colour | Silver | | Compatible Devices | Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump | | Material Type | Synthetic | | Included Components | Air Filters | | Batteries included? | No | | Batteries Required? | No | | Item Weight | 0.28 g | ## Product Details - **Brand:** FilterBuy - **Material:** Synthetic - **MERV rating:** 8 - **Compatible devices:** Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump - **Item weight:** 0.01 Ounces - **UPC:** 717267074933 - **Number of items:** 6 - **Manufacturer:** Filterbuy - **Unit count:** 6.0 Count ## Images ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) - Image 1](https://m.media-amazon.com/images/I/81mff-l7diL.jpg) ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) - Image 2](https://m.media-amazon.com/images/I/81KT7kCaxwL.jpg) ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) - Image 3](https://m.media-amazon.com/images/I/81P39KcC6vL.jpg) ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) - Image 4](https://m.media-amazon.com/images/I/71-IdbUOpzL.jpg) ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) - Image 5](https://m.media-amazon.com/images/I/81G62DlEyuL.jpg) ## Questions & Answers **Q: Why should I change my air filter?** A: To maintain a healthy lifestyle, as breathing dirty air can put you at risk to develop asthma, allergies, and other respiratory ailments. Plus, old filters can cause system defects which may lead to unwanted expenses via energy costs and repairs. **Q: When should I change my air filter?** A: We generally recommend replacing your filter every 90 days to keep your system running efficiently and air clean. But this is subject to change based on filter size and variable factors for pet owners, allergy sufferers, homes with children, etc. **Q: Will these air filters fit my system?** A: Most of our filters are universally compatible and will work with any furnace, air conditioner, heat pump, or HVAC system as long as you choose the proper size. But if you see a specific brand name on a listing, make sure it matches your unit model. **Q: How many air filters do I need?** A: This varies for every customer depending on specific needs such as the number of vents in your home. However, our selection includes package quantities that range from 1 to 12 filters, so no matter what your situation may be, we've got you covered. **Q: How do I change my air filter?** A: After finding the right size, turn off the power supply and remove the cover from your intake vent before taking out the old filter. Then just insert your new filter to match the direction of air flow, replace the cover, and turn the power back on. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/207989263-filterbuy-13x21-5x1-air-filter-merv-8-dust-defense-6](https://www.desertcart.vn/products/207989263-filterbuy-13x21-5x1-air-filter-merv-8-dust-defense-6) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-03*