Attention:

Certain features of sigmaaldrich.com will be down for maintenance Saturday afternoon/evening, February 24th starting at 3:00 pm CT until 9:00 pm CT.

Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Filter Cartridge

An optional filter cartridge can be attached to the inlet of an ORBO-1000 or ORBO-1500 small PUF cartridge to trap aerosol and particulate forms of semi-volatiles. The filter cartridge contains a replaceable quartz microfiber filter with a stainless steel support screen.