Kimax® Individually Wrapped Disposable Color Coded Plugged Sterile Serological Pipets have a uniform pulled tip and are clean, plugged, sterile and ready for use. Calibrated to deliver to the tip, with two rings near the top denoting that the small amount remaining in the tip after free delivery has ceased must be blown out and added to the main volume delivered. Provided with "negative" graduations to increase the versatility of the pipet. Made from borosilicate glass in compliance with ASTM Specification E438, Type I, Class B glass requirements. Designed from ASTM Specification E714. Packaged in paper/plastic individual wrap and overpacked in convenient dispensing shelf packs for laboratory benches. Color-coded, paper/plastic wrap gives the advantage of speed and accuracy when selecting a pipet size.