The lifespan of filters depends on many factors, but there are clear rules to follow to know when to replace them or how to store them.
One of the most common questions among workers using respiratory protective equipment is: how long does a mask filter last? The truth is that there is no universal value, as duration depends on several factors: the concentration of substances in the environment, the user’s breathing capacity, temperature, humidity, and the intensity of physical effort.
For particle filters, the rule is straightforward: when breathing resistance increases, it means the filter is clogged and must be replaced. For gas filters, on the other hand, the warning comes directly from your senses: if you detect the odor or taste of the substance you are exposed to, the filter should be changed immediately.
If a filter is not exhausted at the end of use, it can be stored and reused later. Proper storage means keeping it in a closed environment, away from UV rays, heat and humidity – for example, in a sealed bag. In these conditions, the filter can be reused within 6 months after being removed from its original packaging.
When filters are not in use, their duration depends on the manufacturer’s specifications. For BLS filters:
The expiration date is always clearly indicated both on the filter label and on its packaging.
If you have any doubts or would like to learn more about the choice of PPE for your painting business, the BLS team is at your disposal for personalised advice and tailor-made solutions.
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Which are the different types of facemasks and what are the differences? Alongside so-called surgical masks, there are also FFP1, FFP2 and FFP3 masks, with and without valves. What are the differences between these three types of protective facemasks?Surgical masks are medical devices that are used to protect ourselves and others. In fact, they block the propagation of droplets emitted orally when coughing and sneezing, or simply speaking. Nevertheless, they do not guarantee the blocking of the virus dispersed in aerosols as they are not leak-proof on the user’s face and do not have a filtering function during inhalation.
