{"product_id":"excel-40521-thinair-electrostatic-hepa-filter-replacement-99-999-virus-removal","title":"Excel 40521 | ThinAir® Electrostatic HEPA Filter Replacement | 99.999% Virus Removal","description":"\u003cp\u003eThe Excel 40521 is a replacement electrostatic HEPA filter for ThinAir® hand dryers, removing 99.999% of viruses and 99.97% of bacteria at 0.3 microns.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eKey Specifications:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVirus Removal:\u003c\/strong\u003e 99.999% at 0.3 microns\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacteria Removal:\u003c\/strong\u003e 99.97% at 0.3 microns\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6-1\/2\" x 3-9\/16\" x 2\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e ThinAir® electrostatic HEPA kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eFeatures \u0026amp; Benefits:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Electrostatic Filtration:\u003c\/strong\u003e The Excel 40521 uses electrostatic technology to capture 99.999% of viruses and 99.97% of potentially present bacteria at 0.3 microns from the airstream — delivering measurably cleaner, safer air in any commercial restroom environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Airflow for Faster Drying:\u003c\/strong\u003e Compared to standard HEPA filters, the electrostatic design allows for better airflow through the filter media, maintaining strong hand-drying speed without sacrificing air hygiene performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlimmer, More Durable Profile:\u003c\/strong\u003e The electrostatic HEPA filter features a slimmer physical footprint than traditional HEPA options, offering greater structural durability and a longer effective service life when properly maintained.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnnual Replacement Cycle:\u003c\/strong\u003e Excel Dryer recommends replacing the 40521 once per year (usage dependent), making maintenance scheduling straightforward for facility managers overseeing multiple ThinAir® units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which ThinAir® hand dryer models is the Excel 40521 compatible with?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The Excel 40521 is designed for ThinAir® hand dryers originally equipped with the electrostatic HEPA filter kit. Previously installed ThinAir units without the electrostatic system cannot be retrofitted — a subassembly upgrade may be purchased by contacting Excel Dryer at (800) 255-9235.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the Excel 40521 HEPA filter be cleaned with water?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No — the HEPA filter must never be cleaned or come into contact with water. Only the companion stainless steel mesh pre-filter (Part #40532) is designed to be rinsed and reused. The Excel 40521 must be fully replaced at the end of its service life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should the Excel 40521 be replaced?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Excel Dryer recommends replacing the HEPA filter once annually, depending on usage and environmental conditions. In environments with high levels of lint, dust, or airborne particles, the companion pre-filter (Part #40532) should be inspected and cleaned more frequently to protect the HEPA filter media.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv id=\"W3TucRPBpqQA9ARvwg6ni-content\"\u003e\n  \u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNOTICE:\u003c\/strong\u003e Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ci\u003e\"Hydrate Everyone, Everywhere!\"   BottleFillingStations.com | \u003ca rel=\"noopener\" href=\"https:\/\/bottlefillingstations.com\/pages\/contact-us\" target=\"_blank\"\u003eContact us\u003c\/a\u003e\u003c\/i\u003e\u003c\/p\u003e","brand":"Excel","offers":[{"title":"Default Title","offer_id":43288309104703,"sku":"40521","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/40521_img_1.jpg?v=1779554439","url":"https:\/\/bottlefillingstations.com\/products\/excel-40521-thinair-electrostatic-hepa-filter-replacement-99-999-virus-removal","provider":"BottleFillingStations.com","version":"1.0","type":"link"}