Protectainer ploypropylene (PP) tips come bulk packaged in a plastic storage container with snap-on lid, which may be recycled. Fits Ovation ESC, E8, and E12 sizes 25-850 µL and 25-1250 µL Fits Ovation QS and M in sizes 100-1000 µL Fits Ovation F1 and F2 series in all sizes from 201-1000 µL Fits all MLA models from 201-1000 µL.