• Made of electrostatic material.
• Bacterial Filter Efficiency Test (BFE) 99.99%.
• Viral Filtration Efficiency Test (VFE) 99.99%.
• The packaging is easy to open.
• The lost area is less than 50 ml.
• Produced without the use of chemical adhesives.
• Available with or without Nose Latch.

273 01 SFT 33 mm
273 05 SFT 26 mm
273 09 SFT 33 mm (Large)
273 02 SFT 30mm
273 06 SFT 26 mm with Latch
273 10 SFT 30 mm (Large)
273 03 SFT 33 mm
273 07 SFT 33 mm with Latch (Large)
273 04 SFT 30 mm with Latch
273 08 SFT 30 mm with Latch (Large)