1)Â Ear-loop Non-latex High Elasticity;Â Â
2)Â Ultrasonic Sealed with Edge Coverage;Â Â
3)Â Three Layers with BFE >= 99%
4)Â Pleated 3 Flute Foldings
OBSERVE
100% POLYPROPYLENE NON-WOVEN FABRIC (HYDROBIC)
THICKNESS: 28G/M2 +/-2G/M2
L 178mm +/- 5mm W 175mm +/- 5mm
REVERSE
100% POLYPROPYLENE NON-WOVEN FABRIC (HYDROBIC)
THICKNESS: 25G/M2 +/-2G/M2
L 173mm +/- 5mm w 175mm +/- 5mm
INNER LAYER
MELTBLOWN FILTER
THICKNESS: 25G/M2 +/-2G/M2
L 200mm +/- 5mm w 175mm +/- Smm
STRING ELASTIC BRAID 3 CORD (ROUND LATEX FREE ELASTIC)
 L 190mm +/- 10mm W 3mm up
NOSE BRIDGE: PVC COATED irc;
L 120mm +/- 10mm W 3mm