Solution Reservoirs For multi-channel pipetting Graduated* polystyrene Sharp V bottoms Pouring spout on all 4 corners Sterile and disposable Designed for use with all multichannel pipettes. Standard 4 channel, 8 channel, 12 channel and various special purpose pipettes are all compatible with these disposable polystyrene reservoirs. To facilitate easy, dripless pour-off of unused reagents and solutions, all versions have indented spouts in each corner. Bottoms are formed with a sharply tapered V shape to minimize waste and reagent consumption. Packed in environmentally friendly packaging. * Graduations on 50ml reservoirs: 5, 10, 25, 50ml . Graduations on 25ml reservoirs: 15, 25ml **Sold for research purposes only and not for human use**