10pcs Dust Filter Respirator Replacement Filter Cotton for Respironics 557 567 (Black)

Feature: 1. Filter cotton is equivalent to a protective barrier, can prevent particles in the air from entering the respiratory tract through tube and mask. 2. An important accessory for respirator, effectively extend the service life of the machine. 3. Effectively filter PM2.5 fine particles, make sure you get clean air when using the respirator. 4. Adopts quality material, high density filter cotton, mild and non irritating, good filtering effect. 5. Light weight and in small size, easy to carry and install on machine. Specification: Condition: 100percent Brand New Item Type: Filter Cotton Material: Sponge Color: Black Fit For: For Respironics 557 567 How to Use: 1. Turn on the machine and remove the used filter. 2. The filter is located at the air inlet at the rear of the machine. If you use a black filter and a white filter, firsts insert the white filter into the filter area. Firstly, the grid side faces the equipment, then insert the black foam filter into the filter area, at the top of the fine filter.. Package List: 10 x Filter Cotton Note: When using both types of filters at the same time, most foam and paper filters will need to be inserted into the paper before being inserted into the foam section.