Navitek Red Side Vision S4 Airfed Welding & Grinding System
Includes: ADF Visor, Airkos Blower Unit and Storage Carry Bag
20-Point APF Protection 
This airfed system is classified as equivalent to FFP3 and provides protection against Coronavirus. FFP3 provides a 20-points protection factor unlike an FFP2 disposable mask that offers 10-points protection. FFP3 masks are currently being used in hospitals to protect medical staff treating patients with covid-19.  
Visor Key Features
True Colour ADF
Dark Shade: DIN 9-13
Clear Shade: DIN 4
Controls: Stepless
Switching Speed: 0.2ms
Sensitivity & Delay: Yes
Arc Sensors: 4
Grinding: Yes - EN175B
Viewing Area: 93 x 43mm
Power: Solar
Total Weight: 581g
160˚ Side Vision
Warranty: 2 Years
Optical Classes: 1/1/1/2
Technology: Dual Twisted Nematic
Conforms to EN166B, 175B, 379
Airkos® Blower Unit Key Features
2 Airflow speeds 180 & 220 litres per minute
Audible and visual clogged filter alarm
Audible and visual low battery alarm
Rechargeable 4 cell Lithium-ion battery with 10 hrs running time supplied as standard
Optional 6 cell heavy duty Lithium-ion battery available with 14 hrs running time
Airkos® supplied with main filter & pre filter
1 Year Warranty (6 months on Lithium-ion battery)
Filtration: PRSLTH2
Conforms to EN12941
Weight: 1.18 Kg