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The AO SMITH 100112550 K Exhaust Intake is designed for direct-vent systems requiring a 3" intake and 4" exhaust. This concentric termination kit offers a single penetration point through a sidewall, replacing the need for separate intake and exhaust penetrations. It also acts as a bird screen, preventing animals and debris from entering the vent system.
This adjustable concentric termination kit is designed for ease of installation and protection against pests and debris.
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