Whatman Swin-Lok Filter Holder, Plastic, 47 mm, 8 pc/PAK

Designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. - Swin-Lok and Pop-Top holders will accommodate Nuclepore track-etched and cast membranes. - Syringe compatible. Here you can find the certificate: https://www.cytivalifesciences.com/en/de/support/quality/certificates