Here's an optional ORP electrode use for 6-in-1 Pentype Water Quality tester ().
This product is shipped from our supplier's warehouse in Hillsboro, OR, United States
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.