Amerivent Ameri Cap 4 inch universal louver vent cap. This vent cap is designed to protect your vent system from elements and pests with its durable construction. Ideal for use with gas appliances, ensuring proper ventilation. Suitable for attic ventilation or exterior venting applications. Keywords: ventilation, gas vent, louvered cap, chimney cap, pipe cap, outdoor vent, HVAC, attic vent, utility, building supply, weather guard, pest deterrent
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