Xuất xứ: Environmental Express, USA
Băng Cassette Via-Cell lấy mẫu khí sinh học (Bioaerosol), Hãng Zefon/Environmental Express, Mỹ
Xuất xứ: Environmental Express, USA
Xuất xứ: Zefon/Environmental Express
Bộ ZHE+ Replacement Tedlar Sampling Bags, 1 L, 7x7, 10/PK, Environmental Express, USA
Xuất xứ: Environmental Express
Màng lọc TCLP Filters, Standard, 90mm, 0.7um; 100/Pk, EPA method 1311, Environmental Express, USA
Xuất xứ: Environmental Express
Xuất xứ: Environmental Express, USA
Xuất xứ: Environmental Express, USA