Description
22x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions • Measures pH and temperature• • Measures pH and temperature• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance• Easy to use design and fast calibration adjustment• Double junction replaceable probe Hot dipped galvanized guards on VK12 GA and VK20 GA models for even greater rust protection