HMEF- Foam Model: VH-3150/VH-3250/VH-3350 Adult/Child/Pediatric VH-3150, VH-3250 and VH-3350 are a combined heat and moisture exchanger (HME) and bacterial/ viral filter for humidification and bacterial/viral filtration during anesthesia and intensive care. With luer lock port for ETCO2, anesthetic agent or pressure monitoring. It also captures heat and water vapor from a patients exhaled air, then during inhalation, they add heat and moisture to the in spired air, providing the appropriate humidification. Feature: Compact design High level of protection provided by hydrophobic filter Available in a variety of sizes to meet all clinical situations Offers both patient and equipment protection from airborne pathogens Provide excellent heat and humidification output combined with low dead space