Purlin Hoophouse Upgrade Set Length:80ft Nordic Pure 18x24x2 MERV 8

Nordic Pure 18x24x2 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

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This design allows electrical contact to happen only when a seal is achieved

Purlin Hoophouse Upgrade Set Length:80ft Nordic Pure 18x24x2 MERV 8Adds a set of purlins to the left and right side of the ridge pole to your hoop house. Recommended for high tunnels and hoop houses at least 20' wide in high wind areas. Required for high tunnels and hoop houses greater than 20' wide. Sold in increments of 20 feet, which cover the left and right runs that go parallel to your ridge pole. Includes Ridge Poles Hoop Cross Connectors Endwall Cross Connectors Bolts & Nuts