what is the diameter of the upper opening? My Cole Parmer pipetter has a 13.5mm pipette tip attaachment point. Will these pipette tips fit securely?

The diameter of the upper opening is about 16mm, we are not sure whether the Cole Parmer pipettor fit our tips. We are selling the micropipettes on amazon and suggest you to try our pipettors when you have demand in future.

Do these tips come sterile or do they need to be autoclaved before hand?

These tips is not sterile, you can autoclave them before using them if you need sterile tips. We have the filter tips( 10ul,20ul,100ul,200ul,1000ul) that is sterile and Non-Pyrogenic ,DNAse/RNAse Free, you can find it easily in our store.

Are these tips resistant to organic solvent as xylene?

This tip is made of PP(Polypropylene), it is resistant to xylene, but this tip is not with filter ,the xylene is volatile and could come into the body of the pipette. We suggest you to order our filter tips that could avoid the liquid come into the pipettor body. You can find the filter tips in our store easily. Any other questions, please feel free to contact us directly. ONiLAB

Do the tips work with onilab 100-1000ul pipette?

Yes, all the ONiLAB pipette tips 100% match ONiLAB micropipettes, you can order without worry. The 1000ul tips match 100-1000 ul pipettor. You can find the match table in the listing of the tips and pipettor so that you can know which tip match the corresponding pipettes. Any other question, please feel free to contact us directly. ONiLAB

Onilab 10µl Universal Pipette Tips 1000 Pcs Autoclavable

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Description

🧬 Elevate your lab precision with ONiLAB’s universal pipette tips—because every microliter counts!

SOFT YET DURABLE - Flexible design guarantees a secure seal and smooth tip ejection, reducing user fatigue.
PRECISION PERFECTED - Engineered polypropylene tips ensure airtight seals for flawless 10µL transfers every time.
STERILIZE WITH CONFIDENCE - Fully autoclavable tips withstand 121℃ sterilization, keeping your lab contamination-free.
BULK SUPPLY ZERO DOWNTIME - 1000-pack ensures you never run out during critical experiments—stay ahead in your research game.
UNIVERSAL FIT UNIVERSAL FLEX - Seamlessly compatible with Eppendorf, Gilson, Thermo, and more—your go-to lab essential.

ONiLAB 10µL Universal Pipette Tips come in a 1000-piece pack made from high-quality polypropylene, offering precise liquid handling with airtight seals. Fully autoclavable at 121℃ for 20 minutes, these tips fit most major pipette brands, combining durability, flexibility, and contamination control for professional lab environments.

Specifications

ASIN	B09W64TPFJ
Best Sellers Rank	#6,328 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Universal Pipette Tips
Date First Available	March 27, 2022
Item Weight	3.84 ounces
Item model number	10ul
Manufacturer	ONiLAB
Package Dimensions	7.8 x 6.57 x 1.34 inches

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