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Indicating Drierite are active blue silica-gel dessicant crystals that rapidly absorb vapor from air and gases, and turn pink when moisture is absorbed. They can be regenerated repeatedly in the oven for longer life and replaced as needed.
SGA-105 No. 4 Granules is used with the GW-74 Filter Flask.
SGA-106 No. 8 Granules is for use with the SG-70 Laboratory Air/Gas Dryer.
Each comes in a 5lb (2.3kg) jar.
SGA-105: 9.0lbs (4.08kg)
SGA-106: 6.0lbs (2.72kg)
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