In laboratories, Ahlstrom-Munksjö is known for providing superior service, reliability and high-quality products. We are recognized worldwide as a leading manufacturer and converter of filtration, absorbent and specialized web materials. We offer a full line of high-quality laboratory filtration products, including qualitative and quantitative filter papers, glass and quartz filters, membrane and syringe filters for microfiltration applications, extraction thimbles, pH indicator papers and test strips, and other filters for specialized applications.