HoldPeak CFM Meter HVAC Anemometer with 270º Rotatable Detector, Handheld Wind Speed Meter Gauge with Touch Button, Waterproof Rechargeable Air Flow Velocity Measuring Device for HVAC Outdoor Sailing

HoldPeak CFM Meter HVAC Anemometer with 270º Rotatable Detector, Handheld Wind Speed Meter Gauge with Touch Button, Waterproof Rechargeable Air Flow Velocity Measuring Device for HVAC Outdoor Sailing

Amazon Basics AAA Alkaline High-Performance Batteries, 1.5 Volt, 10-Year Shelf Life, 36 count (Pack of 1)

Manometer, Professional Air Pressure Meter, Dual-Port HVAC Digital Manometer Gas Pressure Tester,12 Selectable Units Differential Pressure Gauge, (Included Battery)