meters est tds meter digital water tester test pen quality analysis monitor purity check 0-9999 ppm measurement

welcome to our store,we are devoted to offer products with reasonable wholesale price our company is professional in e-business, order will be sent out within 1-3 days after we payment you will satisfied with the shopping experience in our store.look for long term business with you please check the size information carefully before you place the order to avoid the size problem all dimensions are measured by hand, so it's normal to have some deviations, please understand us