• Non-washable: the SHIGEMATSU Dustproof Particulate Filter X3 must be replaced once the wearer finds difficulty in breathing with the filter, which means that the filter has been fully clogged with particulates.
• Compatible Respirator: SHIGEMATSU TW series
• Twist + lock type: simply align marks and twist 60° to the right to attach to a compatible respirator. Fits over the pin and locks securely.

The SHIGEMATSU Dustproof Particulate Filter X3, with a filtration rate of 99.97%, helps provide respiratory protection against exposure to dangerous particulates and nanoparticles such as those found in lead and asbestos, welding, meltdown, pesticides, paint work, and high-risk healthcare areas. The SHIGEMATSU X3 Filter is also an effective mechanical water/oil repellent. Industries where this filter is commonly used include agriculture, construction, industrial work, general manufacturing, pharmaceuticals, primary metal work, and healthcare. The filter works with a wide range of SHIGEMATSU respirators, including but not limited to: SHIGEMATSU Single Valve Half Face Respirator Mask TW01SC, SHIGEMATSU Double Valve Half Face Respirator Mask TW02S, SHIGEMATSU Double Valve Half Face Respirator Mask with Speaking Diaphragm TW08S, SHIGEMATSU Full Face Respirator Mask TW088.