20x20x1 Pure Green Eco-Friendly AC Furnace Air Filters 3 Pack hydro-x -case shell made of polypropylene

-case shell made of polypropylene (PP) - ABS plastic

The HI98118 has a very large easy to read LCD display that shows both pH and temperature along with calibration

Features platinum TDS/EC sensor and thermister

Max Watts 179

20x20x1 Pure Green Eco-Friendly AC Furnace Air Filters 3 Pack hydro-x -case shell made of polypropylenePure Green Eco Friendly AC Furnace Air Filters by Nordic Pure are made from an environmentally responsible non woven, high loft, antimicrobial filter media. The MERV 6 rating has a lower pressure drop, minimizing energy consumption while maintaining a high dust holding capacity. As we continue to keep our eyes on media technology advances, our Pure Green media will be changing its appearance. Please expect the same quality and performance you have