{"product_id":"alen-b4-pure-hepa-filter-for-breathesmart-45i-flex-h13-true-hepa-replacement","title":"Alen B4-Pure HEPA Filter for BreatheSmart 45i \u0026 Flex – H13 True HEPA Replacement","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eUpgrade your Alen BreatheSmart 45i or Flex purifier with the B4-Pure HEPA replacement filter. This H13 True HEPA design targets a broad spectrum of airborne particles and helps maintain a comfortable, clean indoor environment. The combination of high filtration efficiency and a long lifespan makes routine maintenance straightforward, so you can focus on daily activities rather than frequent part changes.\u003c\/p\u003e\u003ch3\u003eKey filtration performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePURE HEPA AIR FILTER: Delivers high-quality filtration that captures dust and fine particles as part of your air purification routine.\u003c\/li\u003e\n\u003cli\u003eH13 TRUE HEPA FILTER: Captures 99.9% of airborne particles as small as 0.1 micron for consistently clean air in your space.\u003c\/li\u003e\n\u003cli\u003eEASILY MAINTAINED: A removable pre-filter screen can be vacuumed to refresh performance between changes, saving you time.\u003c\/li\u003e\n\u003cli\u003eEXTRA LONG LASTING: Lifespan estimates run 12 to 15 months under typical use, reducing replacement frequency.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and fit\u003c\/h3\u003e\u003cp\u003eThe filter features a foam outer frame that helps ensure a snug fit inside the purifier, along with a secure gasket to minimize air leaks and maximize airflow through the unit.\u003c\/p\u003e\u003ch3\u003eMaintenance tips\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBetween changes, vacuum the pre-filter to remove collected dust and hair.\u003c\/li\u003e\n\u003cli\u003eHandle the filter gently during replacement and ensure the purifier is off before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world use scenarios\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIn living rooms with pets, the filter works to manage pet dander and dust quickly, maintaining a fresher feel.\u003c\/li\u003e\n\u003cli\u003eBedrooms can benefit from quieter, consistent air cleaning that supports a comfortable overnight environment.\u003c\/li\u003e\n\u003cli\u003eHome offices and study spaces may experience steadier airflow, helping you stay focused with a cleaner backdrop.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy choose Alen\u003c\/h3\u003e\u003cp\u003eAlen designs emphasize straightforward maintenance, a secure fit, and filtration that pairs with BreatheSmart purifiers for a reliable air-cleaning routine. This B4-Pure replacement offers a balance of strong performance and easy upkeep.\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: What models is this replacement filter compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This B4-Pure HEPA filter fits Alen BreatheSmart 45i and Flex purifiers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does the filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically 12 to 15 months under normal use; duration varies with usage and environment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Alen","offers":[{"title":"Default Title","offer_id":51684858298685,"sku":"B0F79XPBQB","price":96.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7874\/8989\/files\/alen-b4-pure-hepa-filter-45i-flex.jpg?v=1778266233","url":"https:\/\/loftwyn.com\/products\/alen-b4-pure-hepa-filter-for-breathesmart-45i-flex-h13-true-hepa-replacement","provider":"loftwyn","version":"1.0","type":"link"}