Replacement filters constructed with a high efficiency synthetic particulate air filter. Features and Benefits • Offer maximum protection against a wide range of dust particles • Small and lightweight to give added comfort • Hydro-phobic (water resistant) • Smaller, thinner and flexible design allows the filter to be easy interchanged Typical Applications • Dust • Metal fumes • Oil mist • Water mist • Micro-organisms Notes • Replacement filter for the SPR299, SPR501, SPR406 and SPR407 respirators • EN143 • Pack of 2