--- product_id: 634567085 title: "Aerostar21x27x5 MERV 13 Pleated Replacement Air Filter for Trane BAYFTFR21M, 2 Pack (Actual Size: 20 7/10\" x 26 1/5\" x 5\")" brand: "aerostar" price: "5813.34 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/634567085-aerostar21x27x5-merv-13-pleated-replacement-air-filter-for-trane-bayftfr21m store_origin: TN region: Tunisia --- # MERV 13 filtration Low air flow resistance USA manufactured Aerostar21x27x5 MERV 13 Pleated Replacement Air Filter for Trane BAYFTFR21M, 2 Pack (Actual Size: 20 7/10" x 26 1/5" x 5") **Brand:** aerostar **Price:** 5813.34 DT **Availability:** ✅ In Stock ## Summary > 🌟 Elevate Your Air Quality – Because You Deserve to Breathe Better! ## Quick Answers - **What is this?** Aerostar21x27x5 MERV 13 Pleated Replacement Air Filter for Trane BAYFTFR21M, 2 Pack (Actual Size: 20 7/10" x 26 1/5" x 5") by aerostar - **How much does it cost?** 5813.34 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/634567085-aerostar21x27x5-merv-13-pleated-replacement-air-filter-for-trane-bayftfr21m) ## Best For - aerostar enthusiasts ## Why This Product - Trusted aerostar brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Breathe Easy:** Experience cleaner air with MERV 13 filtration that captures microscopic particles. - • **Durable Design:** Foam edging ensures a perfect fit, maximizing efficiency and performance. - • **Trusted Quality:** Manufactured by Filtration Group, a leader in filtration solutions for a safer, healthier environment. - • **Cost-Effective Health:** Replace filters every 3-6 months for a budget-friendly way to enhance your living space. - • **Effortless Installation:** Designed for a hassle-free setup, making your home healthier in no time. ## Overview The Aerostar 21x27x5 MERV 13 Pleated Replacement Air Filter is designed to fit Trane BAYFTFR21M units, effectively filtering out dust, pollen, pet dander, and even viruses. With a nominal size of 21x27x5 inches and a durable foam edging for a perfect fit, this filter is easy to install and maintain. Made in the USA, it features 100% synthetic electrostatic media for high efficiency and low air flow resistance, ensuring a healthier home environment. ## Description Aerostar21x27x5 MERV 13 Pleated Replacement Air Filter for Trane BAYFTFR21M, 2 Pack (Actual Size: 20 7/10" x 26 1/5" x 5") ## Features - Nominal size: 21x27x5; Actual size: 20 7/10"x26 1/5"x5"; This MERV 13 filter is comparable with MPR 1500-1900 & FPR 10. Product contains foam edging to fit advertised size and ensure best fit - Replaces Trane part number BAYFTFR21M - Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria - Simple to install and a cost-effective step towards a healthier home environment. For best results, replace 3"-5" filters every 3-6 months but increase frequency to 30 days during peak summer and winter months - 100% synthetic electrostatic media for high efficiency with low air flow resistance. Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Aerostar | | Model | 21x27x5 MERV 13 | | Product Dimensions | 66.55 x 52.58 x 12.7 cm; 453.59 g | | Part Number | 21x27x5 MERV 13 | | Colour | White | | Compatible Devices | Air Conditioner, Furnace | | Included Components | Air filter | | Batteries included? | No | | Batteries Required? | No | | Item Weight | 454 g | ## Product Details - **Brand:** Aerostar - **Product dimensions:** 66.5L x 52.6W x 12.7Th centimetres - **MERV rating:** 13 - **Compatible devices:** Air Conditioner, Furnace - **Item weight:** 1 Pounds - **UPC:** 192212079148 - **Number of items:** 2 - **Manufacturer:** Filtration Group (Environmental Air) - **Unit count:** 2.0 count ## Images ![Aerostar21x27x5 MERV 13 Pleated Replacement Air Filter for Trane BAYFTFR21M, 2 Pack (Actual Size: 20 7/10" x 26 1/5" x 5") - Image 1](https://m.media-amazon.com/images/I/81GH5hqyOVL.jpg) ![Aerostar21x27x5 MERV 13 Pleated Replacement Air Filter for Trane BAYFTFR21M, 2 Pack (Actual Size: 20 7/10" x 26 1/5" x 5") - Image 2](https://m.media-amazon.com/images/I/71e5YkX6suL.jpg) ![Aerostar21x27x5 MERV 13 Pleated Replacement Air Filter for Trane BAYFTFR21M, 2 Pack (Actual Size: 20 7/10" x 26 1/5" x 5") - Image 3](https://m.media-amazon.com/images/I/81+g9wqGqfL.jpg) ![Aerostar21x27x5 MERV 13 Pleated Replacement Air Filter for Trane BAYFTFR21M, 2 Pack (Actual Size: 20 7/10" x 26 1/5" x 5") - Image 4](https://m.media-amazon.com/images/I/71bgOid4kGL.jpg) --- ## 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/634567085-aerostar21x27x5-merv-13-pleated-replacement-air-filter-for-trane-bayftfr21m](https://www.desertcart.tn/products/634567085-aerostar21x27x5-merv-13-pleated-replacement-air-filter-for-trane-bayftfr21m) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-30*