Check the listing for details. CELLTREAT 1mL Aspirating Pipet, Bulk Packed, Sterile 229251. Condition: New. Listed at 63.00 USD. Part Number: 229251. Sterile Yes. RNase/DNase Free Yes. Graduated No. 2mL available in plastic/plastic wrap (Part No. 229262A) – Peel-to-open plastic/plastic wrappers are the ideal option for eliminating particulate; proven benefit over traditional paper/plastic wrapper.