Environmental Express ProWeigh Preweighed Filters for Gravimetric Analysis, ProWeigh Filter for TSS, Glass Fiber, Accuracy: +/-0.4 mg, For Use With: Total Suspended Solids and Other Gravimetric Analyses, Size: 2.99 in., Weight: 2.20 lb., 0.
Environmental Express TCLP Filters, Diameter Outside: 3.5 in., 9 cm, Filter Type: Standard TCLP filter, For Use With: TCLP Extractions and Indicating Expected Background Levels of Metal, 90 mm Filter Holders, Zero-Headspace Extractors, Boro