Free Style Comfort FREESTYLE COMFORT TM Portable Oxygen

Chart Bio. Medical Group – CAIRE Respiratory Air. Sep Puritan Bennett/Covidien Se. Qual ©

CAIRE Portfolio of Pulse Portable Concentrators Free. Style Focus Free. Style 5 Free. Style Comfort Telehealth enabled CAIREview™ Pulse Setting 2 Pulse Settings 1 – 3 Weight 1. 75 lbs Weight 4. 9 lbs Battery @ 2 3 hours (6 hrs w/4 batteries) Battery @ 2 3. 5 hours (7 hours w/2 batteries) Bolus Per m. L 2 = 332. 5 m. L © 2016 Chart Industries, Inc. Confidential and Proprietary Bolus Per m. L 1 = 227. 5 m. L 2 = 420 m. L 3 = 500 m. L Pulse Settings 1 – 5 Weight 6. 7 lbs Battery @ 2 2. 5 hours (5 hrs w/ 2 batteries) Bolus Per m. L 1 = 227. 5 m. L 2 = 420 m. L 3 = 500 m. L 4 = 840 m. L 5 = 1000 m. L 6 Pulse Settings 1 -5 Weight 4. 9 lbs Battery @ 2 Up to 4 hours Bolus Per m. L 1 = 210 m. L/min 2 = 420 m. L/min 3 = 630 m. L/min 4 = 840 m. L/min 5 = 1050 m. L/mim

Free. Style Comfort – Key Features • Weighs only 4. 9 lbs. • Durable easy-to-use full color interface • 8 cell battery pack with up to 4 hours of battery life at setting 2 • Ergonomic, curved silhouette • Easy to wear with or without the carry bag • FAA approved for commercial airline use © 2016 Chart Industries, Inc. Confidential and Proprietary

Free. Style Comfort SKU AC POWER SUPPLY CARRYING BAG (ALL CORDS INCLUDED) 8 -CELL BATTERY (x 2) Also includes a 7 ft Nasal Cannula User Manual DC POWER CORD To save battery life, both 8 cell batteries are shipped in the sleep mode. To wake them up you need to connect battery to the Comfort and plug into AC Power. © 2016 Chart Industries, Inc. Confidential and Proprietary

Free. Style Comfort – Available Accessories 8 cell battery PN BT 034 -1 S DC Power Cord PN CD 041 -1 Carry Bag PN MI 396 -1 16 cell battery PN BT 035 -1 S External Gross Particle Filters Desktop Charger PN BT 036 -1 AC power Cord PW 036 -1 S Other Items Available: Shoulder Strap Carry All Bag

Free. Style Comfort - Basic Specifications • Lightweight and compact designed with the patient in mind • Oxygen output covers most patients • Long battery life for increased ambulation • Robust warranty coverage for low total cost of ownership • Sieve Beds easily replaceable in the field by technicians v Sieve beds warranted for 3 years © 2016 Chart Industries, Inc. Confidential and Proprietary

Free. Style Comfort – Built for Durability and Longevity Designed to extend the life of major components for less worry when units are in the field. Compressor § Testing has shown a failure criteria to exceed the desired life by more than 2 X § Test results have shown that compressors will last in specification extreme conditions by more than 20% of desired life Sieve beds § Closed sieve bed design to prevent moisture and contaminants from prematurely degrading the beds § Moisture barrier sieve guard (This feature is unique to Chart and also is utilized on the Eclipse) Boards § New circuit board design with more diagnostic capabilities § State of the art compliance with 4 th edition 60601 for global acceptance 8

Free. Style Comfort – Technology Ultra. Sense™ Technology For Supreme Clinical Benefit Provides a sensitive pulse dose trigger in standard operating mode to detect your breath with less effort Auto. Pulse Technology For Patient Safety • When a “no breath detected” occurs the machine will immediately pulse at 20 breaths/minute until the condition is corrected • Pulses at 20 breaths a minute at current setting at the time of alarm • Alarm sounds every 30 seconds until the condition is corrected © 2016 Chart Industries, Inc. Confidential and Proprietary 9

O 2 Test Mode • To enter test mode press: • +, +, -, -, +, - on the keypad. • Flow can be increased or decreased as usual. • The unit will pulse at pre-programmed 20 breaths per minute. • To exit test mode: • Turn the device off OR • Enter the test mode sequence a second time. To wake up batteries, connect battery to Comfort and plug into AC Power. © 2016 Chart Industries, Inc. Confidential and Proprietary

Cleaning – Gross Particle Filter External Gross Particle Filters §External (2 per unit) §Cleaned by patient weekly §Designed to last the life of the unit Directions 1. Remove the filters from the front of the Free. Style Comfort by pushing up on the corresponding tab and pulling outward. 2. Wash the filters in a warm solution of soap and water. 3. Rinse the filters thoroughly and remove excess water with a soft, lint-free cloth. Ensure the filters are completely dry before replacing it. 4. Re-install the clean, dry filters. Filter External Gross Particle Filter (Right) PN FI 226 -1 Qty needed per unit 1 External Gross Particle Filter (Left) FI 227 -1 1