{"id":15440808214679,"title":"45i Replacement Filter for Alen Smart Flex Bh400 \u0026 45i Air Purifier 6 Pack","handle":"45i-replacement-filter-for-alen-smart-flex-bh400-45i-air-purifier-6-pack","description":"\u003ch3\u003e45i Replacement Filter for Alen Smart Flex Bh400 \u0026amp; 45i Air Purifier\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eFeatures 45i Replacement Filter Fit for Alen Smart Flex Filter, True HEPA Fit\nfor Alen Air Puri-fier, 2 True HEPA Filters + 4 Carbon Pre- Filters For Alen\nAir Puri-fier Filter Replacement B4-Pure \/ Fl40 Kindly Note: This is not an\nOEM product and is not covered under any OEM manufacturer's promise. Any use\nof OEM brand name or model designation for this product is made solely for\npurposes of demonstrating compatibility.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eCompatible Model: This 45i filter replacement compatible with Alen Smart Flex and 45i air purifier, Part #B4-(Old Part # FL40-Silver-Carbon), please check your unit model before placing an order\u003c\/li\u003e\n \u003cli\u003eEffective Filtering: The filter for alen air puri-fier capture large particulate matter, such as hair, smoke, pet dander, this filter can clean 99.97% of airborne particles as small as 0.3 microns particles and household odors. Filter made of FSC-Certified paper\u003c\/li\u003e\n \u003cli\u003eActivated Carbon Pre-Filter: The high-performance activated carbon layer fit for alen air puri-fier filter replacement can capture unwanted odors, cooking odors, smoking and other odors\u003c\/li\u003e\n \u003cli\u003ePackage Including: The package includes 2 True HEPA Filters + 4 Activated Carbon Pre- Filters fit for alen air purifier filter replacement, which are cost-effective and can save you money\u003c\/li\u003e\n \u003cli\u003eEasy Installation: Replacing the 45i filter is very simple and does not require any tools, to ensure efficient operation of the filter, we recommend replace the true high-efficiency HEPA filters every 6-8 months and the pre-filters every 3-6 months, depending on usage and environmental conditions\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-10-25T15:31:33+11:00","created_at":"2026-10-24T20:54:14+11:00","vendor":"Borgodf","type":"Air Purifier Parts \u0026 Accessories","tags":["home_improvement_Oct2026"],"price":31400,"price_min":31400,"price_max":31400,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":68127436374167,"title":"6 Pack","option1":"6 Pack","option2":null,"option3":null,"sku":"B0DNSP24DK","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"45i Replacement Filter for Alen Smart Flex Bh400 \u0026 45i Air Purifier 6 Pack - 6 Pack","public_title":"6 Pack","options":["6 Pack"],"price":31400,"weight":1070,"compare_at_price":null,"inventory_management":"shopify","barcode":"45i filter","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B0DNSP24DK.jpg?v=1792835657","\/\/newnestshop.com\/cdn\/shop\/files\/714BAHG6XZL.jpg?v=1792835657","\/\/newnestshop.com\/cdn\/shop\/files\/71G8MD1ncQL.jpg?v=1792835657","\/\/newnestshop.com\/cdn\/shop\/files\/813HjWW2FmL.jpg?v=1792835656"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B0DNSP24DK.jpg?v=1792835657","options":["Color"],"media":[{"alt":null,"id":46499436462231,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0DNSP24DK.jpg?v=1792835657"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0DNSP24DK.jpg?v=1792835657","width":1600},{"alt":null,"id":46499436494999,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/714BAHG6XZL.jpg?v=1792835657"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/714BAHG6XZL.jpg?v=1792835657","width":1600},{"alt":null,"id":46499436527767,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71G8MD1ncQL.jpg?v=1792835657"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71G8MD1ncQL.jpg?v=1792835657","width":1600},{"alt":null,"id":46499436560535,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/813HjWW2FmL.jpg?v=1792835656"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/813HjWW2FmL.jpg?v=1792835656","width":1600}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e45i Replacement Filter for Alen Smart Flex Bh400 \u0026amp; 45i Air Purifier\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eFeatures 45i Replacement Filter Fit for Alen Smart Flex Filter, True HEPA Fit\nfor Alen Air Puri-fier, 2 True HEPA Filters + 4 Carbon Pre- Filters For Alen\nAir Puri-fier Filter Replacement B4-Pure \/ Fl40 Kindly Note: This is not an\nOEM product and is not covered under any OEM manufacturer's promise. Any use\nof OEM brand name or model designation for this product is made solely for\npurposes of demonstrating compatibility.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eCompatible Model: This 45i filter replacement compatible with Alen Smart Flex and 45i air purifier, Part #B4-(Old Part # FL40-Silver-Carbon), please check your unit model before placing an order\u003c\/li\u003e\n \u003cli\u003eEffective Filtering: The filter for alen air puri-fier capture large particulate matter, such as hair, smoke, pet dander, this filter can clean 99.97% of airborne particles as small as 0.3 microns particles and household odors. Filter made of FSC-Certified paper\u003c\/li\u003e\n \u003cli\u003eActivated Carbon Pre-Filter: The high-performance activated carbon layer fit for alen air puri-fier filter replacement can capture unwanted odors, cooking odors, smoking and other odors\u003c\/li\u003e\n \u003cli\u003ePackage Including: The package includes 2 True HEPA Filters + 4 Activated Carbon Pre- Filters fit for alen air purifier filter replacement, which are cost-effective and can save you money\u003c\/li\u003e\n \u003cli\u003eEasy Installation: Replacing the 45i filter is very simple and does not require any tools, to ensure efficient operation of the filter, we recommend replace the true high-efficiency HEPA filters every 6-8 months and the pre-filters every 3-6 months, depending on usage and environmental conditions\u003c\/li\u003e\n \u003c\/ul\u003e"}