Shutter Exhaust Fan Hardware Kit extension If your Nokbox was fully

If your Nokbox was fully decimated in a fire

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Shutter Exhaust Fan Hardware Kit extension If your Nokbox was fullyFan Installation Kit Install Bootstrap Farmer's shutter exhaust fans onto a hoop house using this hardware kit. Does not include poles or spring wire & lock channel. Use the end rail clamps for installation by securing two 1 3 8" pipes or rails together at a 90 angle when building your greenhouse frame. Attach each end rail clamp with a carriage bolt and nut to attach to the vertical uprights creating a rectangle or square shape. Verify that the tubes