SoftFit'L for LiteTouch Pipettors LTS Tips. Come in non-sterile (MBP 20L 200L & 1000L) pre-sterilized (Pure 20L 200L & 1000L) and ART Barrier pre-sterilized packaging (ART 20L 200L & 1000L). Self-sealing barriers keep contaminants out. ART Barrier. Volume