Place of Origin--Zhejiang, China Brand Name--BioTech Function-- Anti-dust Anti-microbial Function index--Bacterial Filtration Efficiency â?¥95% Material--Melt blown nonwovens & Polypropylene spun bond nonwovens Color--White Application-- Pollution District Size--19cm x15cm Production standard--GB/T 32610-2016 Term of validity--2 years Date of manufacture-- See the inspection certificate in the packing box MOQ--1,000pcs Packing--50pcs per box Supply capability--1,000,000pcs per week
