This document provides information on various breathing filters, heat and moisture exchanging filters (HMEFs), and heat and moisture exchangers from Intersurgical. It lists specific products, their key specifications, and intended uses in intensive care and anesthesia. Product lines include Filta-Guard, Clear-Guard, Hydro-Guard, Inter-Guard, Filta-Therm, and Clear-Therm. Specifications provided for each item include bacterial/viral filtration efficiency, resistance to airflow, compressible volume, weight, and minimum tidal volume.