J.G. Finneran* Polypropylene Inserts

Inserts are available preassembled with a polymer bottom spring or patented Top Spring. The polymer spring acts as a shock absorber that protects against breakage if the needle bottoms out. The conical design permits complete sample removal.
Image(s) are representative of the product group and not necessarily the individual product.

Style: Conical, Bottom Spring

Style: Conical, No Spring