Impeller 470 12″$141.00 For Testo 470 Call us for a quote Product Model: 0554 4755 Impeller 470 12" quantity Add to cart SKU: 0554 4755 Category: RPM / Velocity / Speed / Force Tag: RPM / Velocity / Speed / Force Description Description For Testo 470 Related products 470 Dual Function Tachometer0 out of 5 $485.00 Add to cart NIST velocity prime 3 std. pts0 out of 5 $310.00 Add to cart IAQ Pro with EasyClimate software power supply/ charger USB cable and calibration protocol0 out of 5 $1,395.00 Add to cart