Respirator cartridge with sealing fit test structure and method of use

摘要

A respirator cartridge is disclosed including a gas cartridge and a particulate cartridge. The gas cartridge is joined to the particulate cartridge with a double-sided adhesive seal including a closed cell foam central portion. The particulate cartridge is provided with a plenum defining an air inlet with a length and width sized smaller than a user's finger to permit the user's finger to close off the air intake of a respirator during a fit check. A release liner covers one face of the adhesive seal prior to assembly of the particulate cartridge to the gas cartridge. Indicia regarding use of the particulate cartridge may be provided on the release liner.