NIOSH Approved?!?!?!?! Functional yes, but using PVC from your local hardware store and dishwashing parts to modify your respirator may be making it more user friendly, but it is also compromising safety!...
NIOSH Approved?!?!?!?! Functional yes, but using PVC from your local hardware store and dishwashing parts to modify your respirator may be making it more user friendly, but it is also compromising safety!...