ITS WaterWorks Free Chlorine Test Strips Size:0–120 ppm (B50-FreeClH1) 1 to 7m Light source Specification item model symbol 478-2643 Safety Latch Size:4F-12(R1.0)*12*26*110(CGM3S3712010)
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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18