Zip lock polyfilm closure ensures airtight protection for filter membranes
Pre-printed white panel allows easy recording of test data such as date and location
Clear plastic material enables quick identification of contents
Solid pattern design for professional appearance
Summarized by Shop
THESE MINI-ENVELOPES ARE ZIP LOCK POLYFILM BAGS MADE TO INSURE PROTECTION AND PRESERVATION OF FILTER MEMBRANES. SPECIALLY PREPARED WHITE PANEL FOR WRITING DATA REGARDING THE TEST SUCH AS DATE, RATING, LOCATION ETC.