{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-10-19",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 2
    }
  },
  "results": [
    {
      "proprietary_name": [
        "5. Pulmonary Function Mixture",
        "8. Laser Gas",
        "2. Biological Atmosphere ( Anaerobic)",
        "1. Biological Atmosphere (Aerobic)",
        "7. Calibration Gas Mixture",
        "4. Lung Diffusion Gas",
        "3. Blood Gas"
      ],
      "establishment_type": [
        "Manufacture Medical Device"
      ],
      "registration": {
        "registration_number": "1250022",
        "fei_number": "1216783",
        "status_code": "1",
        "initial_importer_flag": "N",
        "reg_expiry_date_year": "2026",
        "name": "AIRGAS USA LLC",
        "address_line_1": "17 Northwestern Dr",
        "address_line_2": "",
        "city": "SALEM",
        "state_code": "NH",
        "iso_country_code": "US",
        "zip_code": "03079",
        "postal_code": "",
        "us_agent": {},
        "owner_operator": {
          "firm_name": "Airgas USA LLC",
          "owner_operator_number": "9009904",
          "official_correspondent": {},
          "contact_address": {
            "address_1": "1 Progress Drive",
            "address_2": "Suite 101",
            "city": "Horsham",
            "state_code": "PA",
            "state_province": "",
            "iso_country_code": "US",
            "postal_code": "19044"
          }
        }
      },
      "pma_number": "",
      "k_number": "K924796",
      "products": [
        {
          "product_code": "BXK",
          "created_date": "1996-08-21",
          "owner_operator_number": "9009904",
          "exempt": "",
          "openfda": {
            "k_number": [
              "K924796"
            ],
            "device_name": "Gas, Calibration (Specified Concentration)",
            "medical_specialty_description": "Anesthesiology",
            "regulation_number": "868.6400",
            "device_class": "1"
          }
        }
      ]
    }
  ]
}