They have silica-gel desiccant that changes from blue to pink when replacement or regeneration is needed. Regenerate desiccant by heating for two hours at 275' f. Max. Scfm at -30' f dew point. Comes in a 1 gallon jug. Refill for zinc bowl part number 4370k13.
No other part numbers with same form, fit, and function found.
A chemical product specially prepared to increase the absorption capacity of the basic chemical(s) for the removal of moisture and capable of being restored to approximately its original condition.
NSN 5930-01-485-5354
NSN 6150-00-235-6293
NSN 5925-01-135-9391
NSN 6130-01-591-0515
NSN 5965-01-356-0751
NSN 5965-01-362-0874
NSN 6130-00-464-6361
NSN 6135-00-196-5267
NSN 6220-01-065-1387
NSN 5985-00-613-5647
NSN 6135-01-070-3865
NSN 5855-00-494-9581