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Amazon.com : Pro HVAC Anemometer Handheld CFM Meter Wind Speed Meter with Backlight Max/Min/Avg Functions for Measuring Wind Speed Air Velocity, Temperature Air Flow Meter CFM Meter-AP-856A : Patio, Lawn & Garden
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Btmeter Bt-856a Pro Cfm Anemometer Measures Wind Speed,wind Temp,wind Flow For Hvac Air Flow Velocity Meter With Backlight&usb - Speed Measuring Instruments - AliExpress
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