Testo Printer 0554 0549 Testo IRDA printer with wireless infrared interface

Extendible Telescope Adapter for Testo 440 air flow probes (37.5 to 100 cm)

Testo 0554 9010 Adapter for Testo 308, 320, 330-2, 330 i, 380

Testo 05540040 Spare dust filter for Testo 320

Testo 0554 0189 Radio Handle

Testo 05540960 Telescopic lance for ventilation ducts with 90° angle adapter