" This versatile reservoir is ideal for use when filling multi-tube blocks or microwell plates. -Graduated markings -Suitable for use with all brands of multichannel pipettors -Autoclavable It features a graduated single reagent reservoir with graduations at 10, 25, 40, and 50 mL -a reservoir with eight separate 5 mL reagent channels -and a reservoir with 12 separate 5 mL reagent channels. Each compartment of the multichannel reservoirs is numbered for reagent identification. "