{"product_id":"derblue-4-pcs-replacement-filter-for-holmes-aer1-compatible-with-300ah-u4r-hap242-nuc","title":"DerBlue 4-Pcs Replacement Filter for Holmes AER1 | Compatible with 300AH-U4R \u0026 HAP242-NUC","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eTransform the air quality in your daily spaces with DerBlue’s 4-piece replacement filter set. Engineered to fit a wide range of Holmes and Bionaire models, these filters are designed for a snug, precise fit and dependable filtration. The result is smoother airflow and a sense of freshness in rooms you spend time in—whether it’s a living room, a home office, or a cozy bedroom.\u003c\/p\u003e\n\u003cp\u003eRather than a single-use part, this four-pack offers reliable value and a consistent replacement cadence. The filters are crafted to withstand regular operation and help maintain steady performance as you go about your day. While results can vary by environment, many users notice a noticeable improvement in air feel after installation, especially in spaces with shared air or seasonal dust loads.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFour filters (each approx. 10 x 4.6 x 1.37 inches)\u003c\/li\u003e\n  \u003cli\u003eReplaces Filter A, Filter D, and Filter K\u003c\/li\u003e\n  \u003cli\u003eDurable construction designed for extended use\u003c\/li\u003e\n  \u003cli\u003eReady-to-install compatibility with select Holmes and Bionaire units\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHolmes units: CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9414, HAP9422, HAP9424, HAP1200\u003c\/li\u003e\n  \u003cli\u003eBionaire units: HAP412, HAP422, HAP424, HAP702, HAP706, HAP716, HAP1702, HAP2400, HAP9240, HAP9241, HAP9242, HAP9243, HAP9412, HAP9413, HAP9414, HAP9415, HAP9422, HAP9423, HAP9424, HAP9425\u003c\/li\u003e\n  \u003cli\u003eAdditional compatibility: BAP260, BAP520, BAP815, BAP825, BAP9200, BAP9417, BAP9427, BAP9435, BAP9700\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurability and value\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable materials engineered for long life and steady filtration\u003c\/li\u003e\n  \u003cli\u003eFour-pack provides ongoing convenience and cost savings\u003c\/li\u003e\n  \u003cli\u003eSupport from a responsive customer team for compatibility questions or guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: For best results, aim to replace filters every four months, adjusting for usage and environment. If you have questions, our team is ready to assist you for a smooth, hassle-free experience.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which models are compatible with DerBlue 4 pcs Replacement Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Holmes and Bionaire units, including CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP424, HAP706, HAP716, HAP9240, HAP9424, HAP1200, and many HAP\/BAP models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: We recommend replacing every four months, depending on usage and room conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DerBlue","offers":[{"title":"Default Title","offer_id":51689119187261,"sku":"B07W212FZY","price":31.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7874\/8989\/files\/derblue-4pcs-replacement-filter-package.jpg?v=1778346457","url":"https:\/\/loftwyn.com\/products\/derblue-4-pcs-replacement-filter-for-holmes-aer1-compatible-with-300ah-u4r-hap242-nuc","provider":"loftwyn","version":"1.0","type":"link"}