OS-444 is a concentrated developer solution utilizing pH booster which offers extended life to the developer. OS-444 offers 3 times the life versus the OS-490 developer solution.
OS-444 TDS
OS-444 Hard Water Tolerant Concentrate
Description
OS-444 is a concentrated developer solution utilizing pH booster which offers extended life to the developer. OS-444 offers 3 times the life versus the OS-490 developer solution.
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