Impeller 470 6″$47.00 For Testo 470 Call us for a quote Product Model: 0554 4754 Impeller 470 6" quantity Add to cart SKU: 0554 4754 Category: RPM / Velocity / Speed / Force Tag: RPM / Velocity / Speed / Force Description Description For Testo 470 Related products IAQ Pro with EasyClimate software power supply/ charger USB cable and calibration protocol0 out of 5 $1,395.00 Add to cart 417 Large Vane Anemometer (4″ Dia. Head)0 out of 5 $565.00 Add to cart ISO calibration 4% and 24%TPM@ 52°C(1)0 out of 5 $259.00 Add to cart