OPTIFIT is a Full-face mask, APR class 2 following EN 136 : 1998 , dedicated to offer respiratory protection, depending on the canister type assembled on it
The effective protection is set by the standard and the combination :
The Nominal Protection Factors and Assigned Protection Factors are :
OPTIFIT + P3 : NPF 1000
OPTIFIT + gas cannister : NPF 2000
OPTIFIT + combined gas P3 : NPF 1000
For an optimal protection , it is recommanded to use Sperian Aluminium Canisters or Sperian Plastic Canister ( class 2 )
They can only be used in sufficiently ventilated premises where the atmosphere contains a minimum oxygen volume of 17 %.