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Need Help?
We love to hear from you
It could be any reason if you want to reach us, we are here to help!
Want to place an order online, over the phone or in store?
Our website is fully loaded with all security measures, so buy online with full confidence. You may call us or stop by at our Alexandria, Virginia location during our business hours:
Monday -Friday 9:00 am to 6:00 pm, Saturday 10:00 am to 4:00 pm
Have a question about our products?
If you have any question about a specific product, either call or email us. Our dedicated customer service representative will help you answering any question you may have.
Want to deliver a product to your home?
We have the most reliable truck delivery service in Washington DC metropolitan area. Our drivers are fully trained, and our trucks are safe and fully insured.
Need just a part?
If you need a part for any product that you purchased from us or somewhere else, we will help you to get the part.
Need to rent?
We rent and maintain a large inventory of most of the mobility aids, Patient room equipment. Doesn’t matter you need one or hundred products to rent, we got you covered. We also support large tours, conventions and group meetings with disability needs.
Need service on a product you own?
You need a service or want to repair any mobility aid or patient room product; we are here to help.
Don’t know what to buy?
Not sure about a product what you need? Our trained product specialists are here to help.
Want to buy product, but unable to pay?
Have a need for any mobility patient room or any other medical equipment and supply, but unable to pay. We have a solution.
Have an urgent need after business hours, over the weekend or on national holidays?
We are the only medical supply company in Washington DC metro area, where we offer after hour service over the weekend or on national holidays (Surcharge may apply).

Need a Part?
Click here...Companion 5 Stationary Oxygen Concentrator


- GO ZASK "Same Day in DMV Area"
- Financing "Six Months Interest Free"
- Quick Ship "Same Day Shipping"
- Backed by Manufacturer's Warranty
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In Store Pickup
In Store Pickup
We stock and maintain a large inventory of most of the medical equipment and supplies we sell. Customer can walk in and pick up any of our in-stock products in Alexandria, Virginia during our regular business hours. We also deliver and set up medical equipment and supplies, same or next day by ZASK trucks in Washington DC Metropolitan area.
We have partnered with almost 120 manufacturers and suppliers who stock thousands of products around the country. We have frequent access to their inventory to quick ship same or next day.
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Go Zask Same Day
Same Day Delivery in DMV Area
We call it “Go ZASK Same Day” offering the most reliable and dependable ZASK truck’s same day delivery in Washington DC Metro area (Washington DC, Virginia & Maryland). Our Trucks are fully insured, and the drivers are well trained.
For more information please call our dedicated customer service at 703-354-1266 or write to us at info@zaskmedical.com
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Quick Ship
Quick Ship
We really mean "Quick Ship" if you see the above Icon on the product. We will ship it directly to your location, from one of our warehouse either the same or nextday. Also, you may pickup from our Alexandria, Virginia location after we receive it.
For more information please call our dedicated customer service at 703-354-1266 or write to us at info@zaskmedical.com
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The Companion 5 Bedside Oxygen Concentrator is low maintenance and easy-to-use. It offers versatility and energy efficiency, in one economical at home unit.
How It Works
Our innovative technology gives COPD patients and their caregivers the confidence to breathe easier with the most advanced oxygen concentrators on the market.
Continuous Flow
When you need a constant steady, and reliable flow of oxygen you need CAIRE’s continuous flow technology. Set your device to the liter by minute prescribed by your doctor and rest assured that you are receiving an uninterrupted stream of oxygen.
Dimensions:
• Height: 21.5 inches
• Width: 13.5 inches
• Depth: 12.5 inches
PATIENTS:
• Small profile fits easily into home
• Save on your energy bills with low power draw
• Easy-access humidifier stand
• Simple to read controls and alarms
CLINICIANS:
• Advanced technology and design
• Large hour meter displays diagnostic alarm codes
• Minimal internal components and modular design for easy service
• Unique 3-position air flow with multiple levels of filtration
• Optional gross particle filter for harsh environments
- Flow Rates 0.5–5.0 LPM O2
- Concentration 90% (+5.5%/-3%)
- Dimensions 21.5x12.5x13.5” (54.6x31.8x34.2 cm)
- Weight 36 lbs (16.3 kg)
- Sound Pressure Level 50 dB(A) at 2.0 LPM
- Power Consumption 285 W @ 2 LPM, 350 W Maximum Operating
- Temperature 41º F to 104º F (5° to 40°C)
- Operating Humidity 15% - 90% at an 82.4° F (28° C)
- dew point Storage Temperature -13º F to 158º F (-25º C to 70º C) Storage
- Humidity 0% - 90% Non-Condensing Electrical Use no extension cords.
- Use no electrical outlets controlled by a switch
- . Operating Altitude -1253–9879 feet (-382–3011 meters)
- Operating Time up to 24-hours a day
- The expected service life of the equipment is a minimum of five years