The Regulatios: Gas inflation Lifejackets are divided into the categories of 100, 150 and 275 Newtos, depending on the buoyancy they offer. Lalizas gas inflation lifejackets are approved according to ISO 12402-2 standard for the Newton category and ISO 12402-3 standard for the 150 Newton category and ISO 12402-4 standard for the 100 Newton category. The ISO 12402-2 and 3 standards set the minimum buoyancy that a lifejacket should have according the size of the user. For example , a 150 Nt inflatable lifejacket, designed for an adult of more than 70kg, should offer at least 150 Newtons buoyancy. Lalizas products have been tested for their behavior in the water, their endurance and for many more parameters, as required by the regulations. In the case of the automatic lifejacket, the test which are required by the regulations. In the case of the automatic lifejacket, the tests which are required by the regulations are numerous and stringent strict. Gas inflation Lifejackets, with 150 and 275 Newton buoyancy, are designed and tested so that, in event you lose consciousness and faced down in the water, they will turn your face up within 5 seconds and keep the mouth freeboard no less than 10 and 12 cm respectively above the water surface. 100 Newton category inflatable lifejackets are intended for use in semi-protected water can be used also by non-swimmers. It is important to stress that 100 Newton category inflatable lifejackets are not suitable to use offshore, but are ideal for Passenger vessels- River boats-Cruise boats used in sheltered waters. 100 Newton category inflatable lifejackets will turn your face up within 10 sec and keep the mouth freeboard no less than 8cm respectively above water surface. This type of product must have the CE certification, as it is included in the Personal Protective Equipment (PPE) Directive (89/686/EC) of the European Union. According to this Directive, it is forbidden to manufacture, distribute to vending points and sell products that do not have CE certification and have not passed all the required procedures for their approval. In most cases, the products available in the market meet the required specifications. Nevertheless, there is possibility that unsuitable or non certified products are also available. Thus, it is imperative that the end user is always informed and pays attention to the products available in each store.