Leather protectors do not provide shock protection

Advanced in-helmet communication systems for  RPB® Nova 3® and Nova 2000® Blasting Respirator Systems

and adjustable ankle straps

Full closed cell nitrile dip plus sandy nitrile palm dip for superior durability

150 psi safety pressure relief valve

Filters for RPB PX5 & HX5 PAPRs (Powered Air Purifying Respirators) - High Efficiency Breathing Air Filter PC-AR-25 Leather protectors do not provideHX5 & PX5 PAPR Filters Replacement High Efficiency HEPA Filters for RPB PX5 & HX5 PAPRs (Powered Air Purifying Respirators). Highly efficient filter cartridge provides maximum filtration (removes 99. 97% of particulates down to 0. 12 microns)