What is an Air Purifying Respirator (APR) used for?

An Air Purifying Respirator (APR) is specifically designed to remove hazardous substances from the air before they are inhaled by the user. This type of respirator uses filters, cartridges, or other media to capture harmful airborne particles or gases, ensuring that the air reaching the user is free from contaminants. It is crucial for individuals who are exposed to airborne pesticides, as these respirators help protect their respiratory health by filtering out toxic substances.

The effectiveness of an APR depends on the specific filters used and the concentration of hazards present in the environment. Selection of the appropriate type of respirator, along with proper fit and usage, is essential to ensure full protection while handling pesticides or during other hazardous work.

The other options do not accurately describe the function of an APR. Enhancing the inhalation of pesticides runs counter to safety protocols, as the goal is to avoid inhaling these chemicals. An APR is an important component of personal protective equipment but does not substitute for it; it should be used in conjunction with other protective gear. Lastly, cooling the air is not a purpose of an APR; its primary function is to purify the air by removing contaminants.