ProFilter P2 prefilter to suit ProCartridges

For use of ProChoice Twin Filter Half Mask. A1P2 cartridges for gas/vapour and combination particulate/gas/vapour cartridge. Combination cartridge protects against dust and vapour fumes up to 1000pp. Easy 'Lock-on system' to ProChoice Half Mask. Comes complete with a P2 ProChoice Filter and retainer caps. Australian Standard: AS/NZS 1716 Lic 1508