Precleaned - 20mL Clear Vial, 24-414mm Open Top White Polypropylene Closure

CLASS 2: (Pre-cleaned) Containers are processed according to E.P.A. recommended wash procedures - Washed with laboratory-grade biodegradable, non-phosphate detergent; Rinsed with ASTM Type I De-ionized water; Oven dried; and Assembled in a contaminate-free environment. The exterior of each case is labeled with a lot number. Each case contains a copy of wash "Standard Operating Procedure