The 3M 7500 Series reusable half masks set a new standard in comfort. Available in 3 sizes, all with the 3M bayonet attachment system for use with the broad range of twin lightweight filters for protection against gases, vapours and particulates.
Please note : Filters are not included with this mask and must be purchased separately. You can read our blog here to find out more about the filter types available.
Uniformity of Dosage Units
Allschoolabs
Uniformity of Dosage Units is a specialised analytical laboratory service that assesses whether individual dosage units contain sufficiently consis...



































