Features:
These gas, vapor and dust filters are designed to fit the DroAir range of Midi Masks. The full gas and particulate filter range is color coded to European standards in EN141, EN143 and EN14387
The pre-filter kit ensures maximum filter life and can reduce exposure of cartridges, cutting down on unnecessary gas filter changes. Pre-filters are for fitting to gas filters only.

What's in the box
1 x Set of Dromex - P3PF Double Uni-fit Pre-Filter For Double Filters