20 Pcs 5N11 Filter Cotton Respirator Part, Spray Paint Dust-Proof Anti-Particles for 5P71/6200/7502/6800 Series Gas Mask
$19.99Can filter non-oily particulate matter, Use with 501 filter cap,6200/7502/6800 filter.
Service life: It is recommended to replace the cotton after 7 days of normal use of cotton, and it is recommended to replace the breathing during use.
Function: Resist Non-Oily Particles, Can filter most particulates.