Nasco Whirl-Pak Sampling Bags Thio-Bag 300 ml,100 Count Box

Thio-Bags® are EPA-approved for potable water sampling and are approved for NPDES compliance monitoring. Contains non-toxic, non-nutritive sodium thiosulfate tablet to neutralize chlorine. Includes white write-on strip.
Features:Description: Thio-Bag®, 300 ml
Dim. L x W (in.): 4 1/2 x 9
Mil. Thickness: 2.5
Qty/ Box: 100.
