{"product_id":"flintar-b4-fresh-replacement-filter-for-alen-breathesmart-flex-45i-h13-hepa-12-oz-activated-carbon-1-pack","title":"Flintar B4-Fresh Replacement Filter for Alen BreatheSmart Flex \u0026 45i | H13 HEPA + 12 oz Activated Carbon | 1-Pack","description":"\u003ch2\u003eElevate your air quality with Flintar B4-Fresh\u003c\/h2\u003e\n\u003cp\u003eThe Flintar B4-Fresh replacement filter is a direct fit for Alen BreatheSmart Flex and 45i purifiers. This three-stage filter set is designed for easy swap, providing a reliable refresh to your purifier without changing its form or operation.\u003c\/p\u003e\n\u003ch3\u003eThree-stage filtration at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaceable pre-filter traps hair, dust, and pet dander before reaching the main filter.\u003c\/li\u003e\n  \u003cli\u003eH13-grade main filter captures fine particles down to 0.1 microns with high efficiency.\u003c\/li\u003e\n  \u003cli\u003eActivated carbon layer with more than 12 ounces of carbon pellets targets odors and VOCs for a fresher room feel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: This is a direct replacement for Alen BreatheSmart Flex and 45i models and is not intended for other purifiers.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included and how to maintain performance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne complete filter set: pre-filter, main filter, and activated carbon filter.\u003c\/li\u003e\n  \u003cli\u003eThree extra replaceable pre-filters for extended maintenance between full replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor ongoing performance, plan replacement on a schedule: change the main filter every 9 to 12 months and the pre-filter every 3 months, depending on usage and air quality.\u003c\/p\u003e\n\u003ch3\u003eReal-life use and installation tips\u003c\/h3\u003e\n\u003cp\u003eIn everyday homes, the Flintar B4-Fresh acts behind the scenes to keep air feeling crisper as pets, cooking, and everyday activity come and go. The carbon layer helps manage odors from cooking, smoking, or smoky environments, while the fine particles are repelled by the high efficiency main filter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower off the purifier before replacing filters for safe handling.\u003c\/li\u003e\n  \u003cli\u003eInstall filters in the correct orientation and ensure a snug, secure fit.\u003c\/li\u003e\n  \u003cli\u003eReplace carbon and pre-filters as part of your routine so performance remains consistent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility note\u003c\/h3\u003e\n\u003cp\u003eThis Flintar filter is designed as a direct replacement for Alen BreatheSmart Flex and 45i purifiers. It should not be used with other model lines.\u003c\/p\u003e\n\u003cp\u003eChoosing Flintar B4-Fresh means a straightforward upgrade path, with clear replacement intervals and components built to work together for cleaner air in your space.\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 air purifiers is the Flintar B4-Fresh replacement filter compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Directly compatible with Alen BreatheSmart Flex and 45i 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 Flintar B4-Fresh filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Main filter every 9-12 months; pre-filters every 3 months for best results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Flintar","offers":[{"title":"Default Title","offer_id":51675774878013,"sku":"B0BF4NSSFL","price":49.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7874\/8989\/files\/flintar-b4-fresh-replacement-filter-set.jpg?v=1778113791","url":"https:\/\/loftwyn.com\/products\/flintar-b4-fresh-replacement-filter-for-alen-breathesmart-flex-45i-h13-hepa-12-oz-activated-carbon-1-pack","provider":"loftwyn","version":"1.0","type":"link"}