Whirl Pak® Bags, Write-On, 2 oz., Box of 500 Filters Replacement Couplers for use with

Replacement Couplers for use with Onset Base Station BASE-U-4

Product Code: 196-L11

7–17 L/min per foot) Airflow Resistance Approximately 20 in

Its primary active ingredient

Whirl Pak® Bags, Write-On, 2 oz., Box of 500 Filters Replacement Couplers for use withProduct Code: B01064WA 2 oz. Capacity, 3" x 5", 2. 5 mil Wall These bags are the same as the plain Whirl Bak bags, but are designed with a white, write on strip for more accurate identification and added convenience. It is easy to write on this white strip with an ordinary ball point pen, pencil or felt tip marker. The paper like finish virtually eliminates ink smearing. Whirl Pak sampling bags are made of a blended polyethylene containing ethyl vinyl