The modular reservoir system holds liquids for pipetting with a manual pipettor or liquid handling system. -Modular system -No frame required for full size -Sterile Full reservoirs hold up to 150mL of liquid, and do not require a frame. Half and quarter reservoirs are available and must be used with a frame. Each frame can accommodate up to four quarter reservoirs or two half reservoirs. All reservoirs are sterile and made of polypropylene.