Filters Change Indicators Stickers for Acids, Aromatic diisocyanates, Basic Vapors, Halogens, Hydrazine, Formaldehyde, Hydrogen Sulfide, Mercury and Methyl Ketones. The Breakthrough (Saturation) indicators Stickers (BTIS) for ductless hood filters are colorimetric indicators that indicate the…

Imhoff sedimentation cone for the determination of settleable matter in water. Either blunt tip or Ace-Thred tip for environmental applications. Graduated from 0-2ml in 0.1ml divisions, 2-10ml in 0.5ml divisions, 10-40ml in 1ml divisions, 40-100ml in 2ml divisions.