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Continue to Chat1 to 200 ul; universal fit tips; DNase per RNase free; sterile; refill pack; yellow; 51mm. 96 Tips per Rack; 12 Racks per Unit; 10 Units per Case https://www.7bioscience.com/shop/detail/p/1-to-200-ul-universal-fit-tips-dnase-rnase-free-sterile-refill-pack-yellow-51mm-96-tips-rack-12-racks-unit-10-units-case/BLX-21-R0200S