ITEM: Conductivity, pH & TDS Meter Accessories; Type: Flat Surface Electrode Module ; For Use With: ExStik Series Meters EXTECH. MANUFACTURER: EXTECH. BRAND: Extech. MANUFACTURER PART: PH105. NATIONAL STOCK NUMBER (NSN): 6630-01-609-9546. Conductivity, pH & TDS Meter Accessories; Type: Flat Surface Electrode Module ; For Use With: ExStik Series Meters (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Inspecting, Detecting & Testing Instruments. Testing Tools, Meters & Comparators. Liquid & Moisture Meters & Accessories. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: ExtechInspecting, Detecting & Testing InstrumentsTesting Tools, Meters & ComparatorsLiquid & Moisture Meters & AccessoriesConductivity, pH & TDS Meter Accessories.