Air filter device (Opel Kadett E)

Air filter:
A - engines "13N", "13S"; B - engine "16S"; B - engine "14NV"; G - engine "16SV":
1 — filter housing;
2 - filter element;
3 - pneumatic drive;
4 - sealing ring;
5 - thermostat;
6 - gasket;
7 — heated air intake adapter.