The ‘FILTER RESPIRGARD II – 303EU’ is a high-quality respiratory filter designed for optimal performance and reliability. This product comes in a case of 50 units, ensuring you have a sufficient supply for your needs. It is a crucial component in respiratory devices, providing a critical barrier to protect users from airborne particles and contaminants. Please note that this product is intended for single use only and should be replaced as per the manufacturer’s instructions to ensure optimal performance and safety.