Face seal
Available in thermoplastic rubber (BLS 5600) or silicone (BLS 5700 and BLS 5700/C).

Bayonet connection (b-lock)
This connection is highly intuitive, allowing a quick and safe hold on the mask. It has a locking feedback allowing the user to know if the filter has been properly placed.

New inner half mask 
The half mask has been redisigned to better fit the facial profile and is easily replaceable. It is made of soft TPE, which is non-deformable.

Phonic membrane
An aluminium layer, inside the breathing unit of the device (BLS 5700, BLS 5700/C), enables the transmission of vocal sound.

Anti-fog
Designed to avoid fogging on the visor through the control of the cold and hot air flows inside the mask, instead of treatments which can easily be spoiled with use.

SCRATCH RESISTANT VISOR, OPTICAL CLASS 1 (EN 166)
The screen allows a panoramic visual field without optical distortions. A vitrification treatment on its surface makes it scratch resistant.

Bardatura a sei punti (Komfort)
Fixed on 6 connection points, BLS 5000 series harness guarantees a highly precise adjustment by distributing the pressure on the face uniformly.

AVAILABLE IN THREE SIZES
Silicon models (BLS 5700, BLS 5700/C) are available in three different sizes to perfectly fit all face profiles.

Compatible with

• BLS 200 Filters
• BLS 201 Filters