Shangqiu Shuangyang Environmental Protection Technology Co., Ltd.

IP 67 Multi-function PH/ORP/H2/TEMP Meter 4 in 1 Pen-Type Water Quality Tester $10.49 - $11.99 Shipping to be negotiated Min. Order: 2 pieces	IP 67 Multi-function PH/ EC/TEMP/TDS Meter 4 in 1 Pen-Type Water Quality Tester $7.59 - $9.90 Shipping to be negotiated Min. Order: 2 pieces	Main product Soil Ph Meter 4 in 1 Digital LCD Display Temperature Moisture Sunlight Soil pH Meter Soil Humidity Tester for Garden Grown Shop $2.39 - $2.79 Shipping to be negotiated Min. Order: 10 pieces	Main product Oem Ph Meter Pen TDS-3 Fine Leather Package TDS Meter Water Qualtity Tester Pen LED Digital Temp PPM Meter Tester Filter Stick Water Purity $0.80 - $1.05 Shipping to be negotiated Min. Order: 20 pieces
	High-Precision Water Quality Tester Monitor TDS&EC Temperature Tester Conductivity Tester for R.O. System $1.05 - $1.30 Shipping to be negotiated Min. Order: 10 pieces		Main product Waterproof PH temperature instrument 7 in 1 pen type water quality test meter $13.95 - $15.47 Shipping to be negotiated Min. Order: 2 pieces