ep Dualfilter T.I.P.S.® Filter Tips

Please Note: Eppendorf Dual Filter Tips are a priority item for Covid research. Our suggestion is to look at Biopur Tips. The non-filtered Eppendorf Biopur Tip is the purest Tip made.

Eppendorf Tip Purity Guide

The ultimate protection of pipette and sample against unintentional and unnoticed contamination by aerosols, drops and splashes

ep Dualfilter T.I.P.S. filter tips are filter tips with a two-phase filter for contamination protection. The two filter layers made of flexible, hydrophobic material, fit perfectly in the tip cone and retain practically 100 % of all aerosols¹⁾ and biomolecules. This filtering effect is achieved using various, well-defined pore sizes. The layer facing the sample provides protection from drops, splashes and aerosols. The layer facing the pipette cone functions as a second barrier from contamination, and dependably binds biomolecules. A defined air passage rate guarantees full sample recovery and the customary quick pipetting.

Scientifically Proven - No filter protects better than ep Dualfilter T.I.P.S.!

Filter tips from various manufacturers were tested in a blind trial at the Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM) in Hanover, Germany. Testing focused on the prevention of pipette cone contamination by aerosols. Filter effect with regard to salt aerosols and biomolecules (DNA fragments) was examined. Quantitative determination of DNA fragments was performed using real-time PCR.

The results indicate that ep Dualfilter T.I.P.S. are much better at protecting against aerosols than other commercially available filter tips. With regard to particle permeability (0.13 % +/- 0.11 %), ep Dualfilter T.I.P.S. are 55 to 677 times more effective than the filter tips tested from other manufacturers. ep Dualfilter T.I.P.S. were 21 to 600 times more effective when protection against DNA fragments was examined (0.02 % +/- 0.01 %). The worst measured results were for particle permeability 88.00 % +/- 7.00 % and for DNA permeability 12.00 % +/- 5.20 %. All filters of Eppendorf ep Dualfilter T.I.P.S., ep Dualfilter T.I.P.S. LoRetention and ep Dualfilter T.I.P.S. SealMax, are made of the same Polyethylene (PE) and have comparable pore size structure.

For efficiency testing of filter tips no standardized test method exists. Thus a further study with ep Dualfilter T.I.P.S. SealMax was done based on the standard EN 1822. This standard deals with filtration performance testing of filters as used, for example, for applications in clean room technology or pharmaceutical industry. The results of the filter efficiency testing done by a certified institute showed a minimum particle collection efficiency of the ep Dualfilter T.I.P:S. SealMax of 99.5 % with NaCI aerosol particles sizes of 0.05 - 0.5 µm.

All ep Dualfilter T.I.P.S. are sterilized by electron beams, certified pyrogen-free and PCR clean (free from human DNA, DNase, RNase and PCR-inhibiting substances).

Features

Dual protection against aerosols1) and biomolecules
Dual protection for pipette and sample
Free of PCR inhibitor additives
Available in Eppendorf PCR clean/Sterile (sterile and pyrogen-free) and Eppendorf Forensic DNA Grade
Tested at the Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM) in Hannover, Germany
Continuous inspection of each production lot by an independent laboratory
Lot-specific certificates are available

¹⁾ An aerosol is a colloid of fine solid particles or liquid droplets, in air or another gas.

Specifications:

New Mfr No. 0030078500 Replacing Old. Mfr. No. 022491202	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 0.1 – 10 µL S, 34 mm, dark gray, colorless tips, 960 tips (10 racks × 96 tips)
New Mfr No. 0030078519 Replacing Old. Mfr. No. 022491211	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 0.1 – 10 µL M, 40 mm, medium gray, colorless tips, 960 tips (10 racks × 96 tips)
New Mfr No. 0030078527 Replacing Old Mfr. No. 022491229	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 0.5 – 20 µL L, 46 mm, light gray, colorless tips, 960 tips (10 racks × 96 tips) - ONLY SOLD AS MEA CERTIFIED
New Mfr No. 0030078543 Replacing Old. Mfr. No. 022491237	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 2 – 100 µL, 53 mm, yellow, colorless tips, 960 tips (10 racks × 96 tips)
New Mfr No. 0030078560 Replacing Old. Mfr. No. 022491245	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 20 – 300 µL, 55 mm, orange, colorless tips, 960 tips (10 racks × 96 tips)
New Mfr No. 0030078578 Replacing Old Mfr. 022491253	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 50 – 1,000 µL, 76 mm, blue, colorless tips, 960 tips (10 racks × 96 tips)
New Mfr No. 0030078616 Replacing Old. Mfr. No. 022491261	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 0.1 – 5 mL, 120 mm, violet, colorless tips, 120 tips (5 racks × 24 tips)
New Mfr No. 0030078535 Replacing Old. Mfr. No. 022491270	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 2 – 20 µL, 53 mm, yellow, colorless tips, 960 tips (10 racks × 96 tips)
New Mfr No. 0030078551 Replacing Old Mfr. SKU 022491296	ep Dualfilter T.I.P.S.^®, PCR clean and sterile, 2 – 200 µL, 55 mm, yellow, colorless tips, 960 tips (10 racks × 96 tips)

Contact

Eppendorf

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