WhisperComfort Styrofoam Elbow was designed specifically for the WhisperComfort ERV. It connects to the Y-shaped adapter of the exterior wall cap to help make installation easier. The elbow features double chambers to prevent cross contamination of exhaust and supply air.
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Shop for the Panasonic WhisperComfort ERV - Styrofoam Elbow - 4" Duct at eComfort. Research Panasonic 885170089907 heat and energy recovery ventilator accessories online. Find Panasonic FV-EB04VE1 heat and energy recovery ventilator accessories features and specifications.