Always keep a clean pre-filter fitted to your main filter, and you can be sure of longer filter life. Superb low-cost protection against liquid splashes and coarse particles before they reach the main filter. Use a pre-filter at all times. Great effect at a tiny cost. It’s the smartest thing you can do.
Available filters :
ABEK1 Gas Filter
P3 Combined filter
P3 Particle Filter
Others on request, suitable for Maxisafe Masks