Which component of the face piece is made of neoprene rubber?

The nose cup of the face piece is made of neoprene rubber because it serves to create a seal around the nose area while providing comfort and flexibility. Neoprene rubber is a durable material that is resistant to various environmental elements, making it suitable for the demanding conditions encountered in firefighting and other emergency situations. This material helps ensure that the fit is snug, which is crucial for preventing contamination and ensuring the wearer can breathe clean air from the SCBA. Its properties also make it less likely to cause allergic reactions or irritation during prolonged use, enhancing overall user experience and safety.