Granite City ==> airflow tester

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Get Accurate Measurements



This unit measures air flow within the range of .7 to 4.8" of water (1.75 to 4.5 CFM) required for the four types of gas/particulate filter units.

Here's the federal NIIN information: 
SR-5 MANUFACTURERS CODE 81361
FEAT ~1 N HEX MACH SCREW, 6 WASHER, LOCK SPRING,1 BRACKET, PRESSURE 
        GAGE, 1 INSTRUCTION
FEAT ~3 ., 82 DEG CSK
SR-5 DESIGN CONTROL REFERENCE E5-77-2120
FEAT SPECIAL FEATURES ALUMINUM ALLOY, C/O 1 CATCH, PULL DOWN, 1
PLASTIC TUBE POLYETHYLENE, 6 NUT, PLAI
The kit is easily hand-carried, contains an adapter connector, Magnehelic pressure gauge, and a calibrated orifice assembly in a metal carrying case with snap cover. The pressure gauge reads 0" - 6" H2O). Most kits include an operating manual. This unit is in a working condition. :SATISFACTION:

The overall dimensions 9" L x 7" W x 3" H.

The unit weighs about 2 lbs. and shipping weight is approximately 4 lbs.
(Click on the thumbnail images to enlarge)

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