Puritan Cotton DNA Controlled Sterile Tipped Applicator With Polystyrene Shaft (Case of 500)

描述

Forensic professionals rely on Puritan swabs for clean and accurate sampling. Now you can feel even more confident. Our collection of DNA-free and RNase-free sampling swabs have been tested by an independent lab. These tests are done to the most stringent standards (less than 25 pg of human DNA).