Alnor AXD610 Micromanometer HVAC Duct Balancing Differential Pressure Device electric Getzen 770 SG Select Gold

Getzen 770 SG Select Gold Series Vintage Trumpet

They come equipped with the Accu-Flo™ Air Distribution System (ADS)

This is the license plate holder & light from a 1970s trailer

8x6x3/4 inches

Alnor AXD610 Micromanometer HVAC Duct Balancing Differential Pressure Device electric Getzen 770 SG Select GoldMicromanometer, Pressure, Velocity Measure differential and static pressure from 15 to +15 in. H2O ( 3735 to +3735 Pa) Calculate and display velocity when using a Pitot tube The AXD610 is an easy to use, handheld digital Micromanometer for fast, accurate and reliable pressure measurement. It can also calculate velocity. The AXD620 is a rugged, compact, comprehensive Micromanometer that measures pressure, and calculates velocity and volumetric flow