Description
4″ flexible aluminum duct for fresh air intake – made in the USA by Z-Flex. This item is designed for use with direct vent appliances (water heaters, boilers, etc.), which require a separate outdoor fresh air supply.
Compatible with Z-Flex and other brand concentric vent kits (such as Z-Vent 2SVSHTC04S or similar) and fresh air hoods.
Can be trimmed to necessary length using metal scissors or a hacksaw.
Price is per ft. To purchase 5ft, enter 5 in “Qty” field.
Installation tip: To secure the aluminum duct, use 4″ gear clamps (Part# 7HS4XX).
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