Oakton EcoTestr Waterproof Salinity Tester - Portable Conductivity Meter for Pool, Aquarium & Hydroponics - Cole-Parmer WD-35634-12

Oakton Eco Testr* Salt1 Waterproof Pocket Tester^ Oakton Eco Testr* Salt1 Waterproof Pocket Tester, Salinity: 0.0-10.0ppt, Battery: 4AAAs, Large LCD dual-line display, Rugged IP67-rated housing, Leakproof cap with fill line, attach lanyard, Auto shutoff, Width: 1-1/2in, Length: 7in, Height: 1-1/4in This listing is for Each