MBP Generic MultiRack Racked Pipette Tips by Molecular Biology Products come in hinged, individually sealed racks that reduce airborne contamination of the tips. Choose 10 µL extended length, 200 µL, 300 µL or 1000 µL extended length tips, sterile or non-sterile. The reusable racks are autoclavable and can be refilled with MultiRack reload stacks.