Description
Hanna (HI70032P) 1382 PPM @ 25C TDS Calibration Solution, 20mL sachet; 25 pack Thermax Tulsion (MB 108) Mixed Bed DI Resin (44 lb) 1 CF KDF 55 uses a redox (oxidation reduction) KDF 55 uses a redox (oxidation reduction) process to remove chlorine Auto off feature extends battery life during intermittent use