Question/Answer

Are these plunge filters or are they filter units that connect to a vacuum? I need a better description of the item to make a purchase.

These are plain filter paper. They do not have any sort of housing around them. They can be placed inside and air sampling cartridge or used with a filtration manifold. They are simply a circular piece of filter paper.

Do you sell pure PTFE filter?

F37200PT is a pure Teflon filter but is a 2.0 um rather than the 1.0 um Teflon filter that the F37100T is.

Hi, I want to use pure Teflon filter for the FTIR study. Is this filter made of pure Teflon? May I have a few piece free sample to test whether it works for the FTIR? Thanks! Jiaying

This product is a supported filter. It has a thin PTFE filter sandwiched to a polypropylene web. Please contact sales@envexp.com for sample requests.

do these have the leur-lok fit to syringe?

This is a 47mm 0.45um PTFE filter only. If you are looking for a syringe filter that is part # SF045T which is a 25mm, 0.45um PTFE syringe filter. This does have a luer-lock fitting that will fit both a luer-lock and slip-luer syringe.

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