Your patients depend on their oxygen concentrators 24/7/365 and, for your business to thrive, you want products that can exceed their expectations, wherever they go and whenever they need oxygen. Philips everflo 5 liter oxygen concentrator philips everflo 5 liter oxygen concentrator. How Does An Oxygen Concentrator Work Learn About Concentrators India is importing thousands of units of oxygen concentrators from abroad. Philips oxygen concentrator how it works . Oxygen concentrators are powered by plugging into an electrical outlet or by battery. It then distributes the purified oxygen through hoses inserted into the nostrils. The air is compressed and forced into sieve bed a (‘charge’ cycle) oxygen is forced through the sieve bed into the product tank How does an oxygen concentrator works? The everflo is quiet and lightweight (14.5 kg or about 32 lbs), making it portable and easy to more around the room or taken in the car, wherever the patient needs their respiratory ther...