I need more information about surgical masks.
ASTM Level 3 surgical masks are ideal for procedures where heavy to moderate amounts of fluid, spray, and/or aerosols are produced.
- High fluid resistance: 160mmHg
- Filtration efficiency: BFE ≥ 98%, PFE ≥ 98% @ 0.1 micron
- Breathability - Delta P: < 5.0 mm H20/cm2
- Flame spread: Class 1
ASTM Level 2 surgical masks are ideal for procedures where moderate to light amounts of fluid, spray, and/or aerosols are produced.
- Low fluid resistance: 120mmHg
- Filtration efficiency: BFE ≥ 98%, PFE ≥ 98% @ 0.1 micron
- Breathability - Delta P: < 5.0 mm H20/cm2
- Flame spread: Class 1
ASTM Level 1 surgical masks are ideal for procedures where low amounts of fluid, spray, and/or aerosols are produced.
- Low fluid resistance: 80mmHg
- Filtration efficiency: BFE ≥ 95%, PFE ≥ 95% @ 0.1 micron
- Breathability - Delta P: < 4.0 mm H20/cm2
- Flame spread: Class 1