{"id":4348,"date":"2026-03-25T06:24:32","date_gmt":"2026-03-25T06:24:32","guid":{"rendered":"https:\/\/weishantech.com\/?post_type=product&p=4348"},"modified":"2026-04-22T07:17:17","modified_gmt":"2026-04-22T07:17:17","slug":"heat-and-moisture-exchange-filters%ef%bc%88hmef%ef%bc%89","status":"publish","type":"product","link":"https:\/\/weishantech.com\/fr\/product\/heat-and-moisture-exchange-filters%ef%bc%88hmef%ef%bc%89\/","title":{"rendered":"Heat And Moisture Exchange Filters\uff08HMEF\uff09"},"content":{"rendered":"

Heat And Moisture Exchange Filters\uff08HMEF\uff09<\/h1>\n

Product Overview<\/b><\/strong><\/h2>\n

Heat and Moisture Exchange Filters (HMEFs) combine high-efficiency electrostatic bacterial and viral filtration with passive airway humidification in a single, lightweight device. Engineered for use in anesthesia circuits, mechanical ventilation systems, and respiratory therapy applications, each HMEF captures and returns heat and moisture from the patient\u2019s exhaled breath while simultaneously blocking airborne pathogens from entering the breathing circuit.<\/p>\n

By integrating two critical respiratory-care functions into one compact housing, Weishan Tech HMEFs eliminate the need for separate heated humidifiers and stand-alone breathing filters. This reduces circuit complexity, lowers consumable costs, and minimizes dead space \u2014 all without requiring external power or distilled water. The result is a streamlined, infection-conscious breathing circuit suitable for operating rooms, intensive care units, emergency departments, and field hospitals.<\/p>\n

Core Technical Specifications<\/b><\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/b><\/strong><\/td>\nSpecification<\/b><\/strong><\/td>\n<\/tr>\n
Filtration Type<\/td>\nElectrostatic media with hygroscopic HME layer<\/td>\n<\/tr>\n
Bacterial Filtration Efficiency (BFE)<\/td>\n\u2265 99.999%<\/td>\n<\/tr>\n
Viral Filtration Efficiency (VFE)<\/td>\n\u2265 99.99%<\/td>\n<\/tr>\n
Moisture Output (at VT 500 mL)<\/td>\n\u2265 33 mg H\u2082O\/L<\/td>\n<\/tr>\n
Moisture Output (at VT 1000 mL)<\/td>\n\u2265 30.8 mg H\u2082O\/L<\/td>\n<\/tr>\n
Temperature Output (at VT 1000 mL)<\/td>\n\u2265 31\u00b0C<\/td>\n<\/tr>\n
Tidal Volume Range<\/td>\n150\u20131500 mL (adult); 50\u2013300 mL (pediatric)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Key Benefits for Medical Distributors<\/b><\/strong><\/h2>\n
    \n
  1. \n

    Dual-Function Design Reduces SKU Complexity<\/b><\/strong><\/h3>\n<\/li>\n<\/ol>\n

    Each HMEF replaces two separate components \u2014 a breathing filter and an HME \u2014 allowing distributors to simplify inventory management, reduce warehouse space requirements, and offer a consolidated solution to procurement departments at hospitals and clinics.<\/p>\n

      \n
    1. \n

      Competitive Pricing with OEM\/ODM Flexibility<\/b><\/strong><\/h3>\n<\/li>\n<\/ol>\n

      Weishan Tech operates its own ISO 13485-certified manufacturing facility, enabling direct-from-factory pricing without intermediary markups. Custom branding, private-label packaging, and tailored product configurations (e.g., pediatric vs. adult models, with or without gas sampling port) are available for volume orders.<\/p>\n

        \n
      1. \n

        Proven Regulatory Compliance<\/b><\/strong><\/h3>\n<\/li>\n<\/ol>\n

        All HMEFs carry CE marking and are manufactured under ISO 13485 quality management systems.<\/p>\n

         <\/p>\n

        Frequently Asked Questions (FAQ)<\/b><\/strong><\/h2>\n

        Q: What is the difference between an HME and an HMEF?<\/b><\/strong><\/h3>\n

        A: An HME (Heat and Moisture Exchanger) provides passive humidification only, capturing warmth and moisture from exhaled breath and returning it during inhalation. An HMEF (Heat and Moisture Exchange Filter) adds an electrostatic or pleated filtration layer, combining humidification with bacterial and viral protection in a single device.<\/p>\n

         <\/p>","protected":false},"excerpt":{"rendered":"

        Heat And Moisture Exchange Filters\uff08HMEF\uff09 Product Overview Heat and Moisture Exchange Filters (HMEFs) combine high-efficiency electrostatic bacterial and viral filtration with passive airway humidification in a single, lightweight device. Engineered for use in anesthesia circuits, mechanical ventilation systems, and respiratory therapy applications, each HMEF captures and returns heat and moisture from the patient\u2019s exhaled breath […]<\/p>\n","protected":false},"featured_media":4349,"template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[89],"product_tag":[],"class_list":{"0":"post-4348","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-medical-filter","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nHMEF Filters for Anesthesia & Ventilation | Weishan Tech<\/title>\n<meta name=\"description\" content=\"Weishan Tech HMEF filters deliver \u226599.99% bacterial and viral filtration with optimal moisture output (\u226530 mg H\u2082O\/L).\" 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