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Ships within 48 hours · Estimated delivery Nov 1 - Nov 6
Reserve from the case
Ships within 48 hours · Estimated delivery Nov 1 - Nov 6
testo Smart App
First unit to be recognised by the PHI for its "cold recovery" efficiency
double stitched
2-speed options selectable at install
but add extra resistance
Zehnder ComfoAir Q350/450/600 Main PCB 400100031 testo Smart AppMain PCB for Zehnder ComfoAir Q350 450 600
US$ 28.00
US$ 150.00
US$ 747.50
US$ 59.95
Pay in 4 interest-free payments of $39.08 Learn more