The reusable filter adapter 5570/35 is designed as a take-up device for the gas and particle cartridge filters by BartelsRieger. As a result, BR cartridge filters with respiratory protection masks (with a standardised thread connector EN 148-1) can be used.

Filter adapters made of plastic, black, consisting of the frame (upper part) and cap (lower part):
Frame approx. 105 mm external diameter, 48 mm high, with thread connector (DIN EN 148-1) for connection to a mask, with a rubber seal ring behind the trapezoid internal thread.
The cap is approx. 99 mm in external diameter, height is 44 mm, with an trapezoidal external thread in each case
and pre-filter chamber with a flap lid.

For insert filters: A1, B1, E1, K1, P2 and P3.