SFERA
All versions are also available in silicone rubber for maximum comfort and easier decontamination. The pleasant and reliable design, an accurate distribution of weights and the position of the filter, make the SFERA comfortable to wear even after prolonged periods of use. Materials used are not likely to cause allergies or irritations to the wearer’s skin. Very good adaptability to most faces. The shape of the rubber sealing lip has been designed to adapt itself to the user’s face and ensure sealing action even along the most critical parts without exercising excessive pressure anywhere. Leakage less than 0,05% corresponding to a protective factor of over 2000. Extra wide field.