--- product_id: 251085001 title: "Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches)" brand: "filterbuy" price: "€ 198.64" currency: EUR in_stock: false reviews_count: 5 category: "Filter Buy" url: https://www.desertcart.hr/products/251085001-filterbuy-13x21-5x1-air-filter-merv-8-dust-defense-4 store_origin: HR region: Croatia --- # Precise 12.88x21.5x0.75 in fit Eco-friendly recyclable materials MERV 8 blocks 90% dust & allergens Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) **Brand:** filterbuy **Price:** € 198.64 **Availability:** ❌ Out of Stock ## Summary > 🛡️ Breathe smarter, live cleaner — don’t let dust crash your vibe! ## Quick Answers - **What is this?** Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-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?** € 198.64 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/251085001-filterbuy-13x21-5x1-air-filter-merv-8-dust-defense-4) ## 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 - • **Built to Endure:** Dual wire-backed beverage board frame resists heat & moisture for lasting durability. - • **Triple Lifespan Tech:** 14 pleats per foot + electrostatic charge last 3x longer than fiberglass filters. - • **Advanced Dust Defense:** MERV 8 synthetic media traps 90% of dust, pollen, and mold without airflow loss. - • **Tailored Fit, Zero Hassle:** Exact dimensions ensure seamless HVAC compatibility for peak performance. - • **Made in the USA, Made for You:** 100% American-made with recyclable materials for eco-conscious air quality upgrades. ## Overview Filterbuy’s 13x21.5x1 MERV 8 pleated air filters deliver superior dust and allergen capture with 90% efficiency, thanks to electrostatically charged synthetic media and 14 pleats per foot. Designed for easy installation and durability, their dual wire-backed beverage board frames withstand heat and moisture, extending filter life threefold compared to fiberglass. Proudly made in the USA with recyclable materials, these filters fit furnaces, ACs, heat pumps, and HVAC systems precisely, ensuring cleaner air and a healthier home environment. ## Description The Filterbuy replacement air filter 13x21.5x1 (actual size: 12.88" x 21.50" x 0.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 8 synthetic media (comparable with Clean Living Dust Defense MPR 600 & FPR 5) is recommended in most scenarios with its capability to trap 90% of dust particles while protecting your home or business from lint, pollen, mold, dander, and other forms of debris without impacting air flow. High quality construction features an electrostatically charged design with 14 pleats per foot that captures more harmful particles and prolongs the products lifespan by three times that of fiberglass models (replace every 90 days for best results). Plus, our industrial grade beverage board frames are paired with dual wire backings that significantly outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit and withstand exposure to moisture. Installation is also made simple with the addition of easy-to-understand arrows that help identify the direction of air flow and subsequently the way the filter needs to be placed. To top it off, all our components are 100% manufactured within the United States and designed with recyclable materials, providing an eco-friendly alternative to enhancing your air quality. Review: Item was on-time and as advertised. Excellent service and quality. Review: Why run around looking for this size filter when I can use desertcart to order on my phone and have it delivered to my door in two days? Never out of stock with a variety of sizes and brand names. I don’t have to select what’s available, it’s always there and priced to buy either individually or bulk. ## Features - 13x21.5x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 12.88" x 21.50" x 0.75") - MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from mold, pollen, and more while trapping 90% of dust particles without impacting air flow - High quality construction features an electrostatically charged design with 14 pleats per foot that captures more harmful particles and lasts 3x longer than fiberglass models (replace every 90 days for best performance) - Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures - Industrial grade components are 100% manufactured in the United States and designed with recyclable materials ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00CJZ7R14 | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 785,817 in DIY & Tools ( See Top 100 in DIY & Tools ) 91 in Boiler Filters | | Colour | Silver | | Customer Reviews | 4.7 4.7 out of 5 stars (62,768) | | Date First Available | 27 April 2013 | | Finish | Pleated | | Included Components | Air Filters | | Item Package Quantity | 1 | | Item Weight | 531 g | | Item model number | AFB13x21.5x1M8Apk4 | | Manufacturer | FilterBuy | | Material | Plastic Aluminum Polypropylene | | Minimum Efficiency Reporting Values (MERV) | 8 | | Part Number | FBA_AFB13x21.5x1M8Apk4 | | Pattern | Electrostatic | | Plug profile | Embedded | | Product Dimensions | 54.61 x 32.72 x 1.91 cm; 530.7 g | | Size | 4 Count (Pack of 1) | | Special Features | Dust Collection, Easy to Install, Removable | | Style | 13x21.5x1 | | Usage | Commercial/Residential | ## Product Details - **Air Filter Construction:** Pleated - **Brand:** FilterBuy - **Compatible devices:** Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump - **Item weight:** 531 g - **MERV rating:** 8 - **Material:** Plastic Aluminum Polypropylene - **Max Temperature:** 200 Degrees Fahrenheit - **Number of items:** 4 - **Product dimensions:** 54.6L x 32.7W x 1.9Th centimetres - **UPC:** 717267050814 ## Images ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-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/41HCC0CSnGL.jpg) ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-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/512RxZIAR5L.jpg) ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-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/51GEOGkzSTL.jpg) ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-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/51TRMy8nMvL.jpg) ![Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-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/51VnBHieTWL.jpg) ## Available Options This product comes in different **Size** options. ## 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by G***G on 9 August 2025* Item was on-time and as advertised. Excellent service and quality. ### ⭐⭐⭐⭐⭐ Review *by M***Y on 31 January 2026* Why run around looking for this size filter when I can use Amazon to order on my phone and have it delivered to my door in two days? Never out of stock with a variety of sizes and brand names. I don’t have to select what’s available, it’s always there and priced to buy either individually or bulk. ### ⭐⭐⭐⭐⭐ Review *by G***C on 14 September 2023* Works as expected and was a good price ## Frequently Bought Together - Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches) - Aerostar 16 3/8x21 1/2x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, (Pack of 6) (Actual Size: 16 3/8"x21 1/2"x3/4") - Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches) --- ## 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.hr/products/251085001-filterbuy-13x21-5x1-air-filter-merv-8-dust-defense-4](https://www.desertcart.hr/products/251085001-filterbuy-13x21-5x1-air-filter-merv-8-dust-defense-4) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-24*