Testo 400 Universal IAQ instrument blueair-filters-cat-11 G3 filter for use with

G3 filter for use with Sonair Unit - F211

choice of two speeds

The AXS100PC replaces the AX100 B and NDX100PC

and yet remains versatile enough in size to be equally as functional in larger apartments as it is in small to medium sized dwellings

1 x Inline Duct fan

Testo 400 Universal IAQ instrument blueair-filters-cat-11 G3 filter for use withThe testo 400 is a highly advanced, universal IAQ instrument designed to support professionals in the fields of air conditioning, ventilation, and environmental monitoring. It allows users to measure, analyse, and document all IAQ and comfort parameters using a single, intuitive device. Whether you're working on air flow measurements, temperature and humidity levels, or assessing air quality, the testo 400 offers the versatility and accuracy required