ASI's Multi-Channel Reagent Reservoir are 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. BASIN / TROUGH. Easy open, hassle free white tear strips are featured for easy handling. Stacked basins will not "stick" to each other For all multichannel pipettes Sharp "v" bottoms minimize waste Gamma irradiated STERILE Certified RNase, DNase, Pyrogen free. Whether your application calls for bulk packaging, packs of 5, or individually wrapped reservoirs, Our reservoirs are supplied sterile and are packed in environmentally friendly packaging, within biodegradable bags and recycled cardboard boxes.