ORP probe sold separately

This 3-pack combo provides the ultimate value for committed users seeking 18 months of clean

The PEI body is suitable for a wide range of applications and excels in field measurements due to its durability

the HI50036P delivers professional-grade calibration in a portable

000 gallons or 6 months (whichever comes first) Max Pressure 100 PSI Softening Technology CitraCharge® (citric acid-based

Hanna HI710007 Shockproof Rubber Boot - Blue Protective Case for Professional pH Meters pH EC TDS monitor ORP probe sold separatelyHanna HI710007 Shockproof Rubber Boot Professional pH Meter Protection Shield your valuable Hanna Professional Series pH meter from drops, impacts, and daily wear with the HI710007 Shockproof Rubber Boot in Blue. This precision engineered protective case is designed specifically for Hanna's professional grade instruments, ensuring your investment stays protected in demanding lab and field environments. Key Benefits Shockproof Protection: Absorbs