GroStar GS4-E replacement pH/EC combo electrode Pest and Disease Control Work up to 8 hours

Work up to 8 hours on one battery charge with a powerful 48V-20aH battery

The filter is completely airtight

even when subjected to frequent thermal cycling

color:#53647a

Water Gardens

GroStar GS4-E replacement pH/EC combo electrode Pest and Disease Control Work up to 8 hoursDescription Product Details: AI58040 GroStar GS4 E replacement pH EC combo electrode Measures pH, conductivity (EC and PPM) and temperature Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance double junction structure uses blue gel electrolyte without the air bubble 1 year warranty Specifications