Model: KP39211 (With valve)
Materials: 4 layers, the outer layer is 120 grams of needle-punched cotton, the middle layer is 30 grams of melt blown cloth, and the inner layer is 200 grams of needle-punched cotton.
Needle punch fabric+meltblown fabric+meltblown fabric+needle punch fabri
Executive Standard: EN149:2001+A1:2009 FFP3 NRhttps://www.laianzhi.com/KP39211.html
No.4, Xihuan 4th Road, Southern District, Zhongshan, Guangdong, China