Shutter Exhaust Fan Hardware Kit prop65 or add on additional vertical

or add on additional vertical and base braces for structures up to 24’ wide

At Bootstrap Farmer

ideal for quick-bearing plants that don't require too much soil to propagate

Looking for an all in one bundle

They are great for use in media such as Rockwool and Lava Stone

Shutter Exhaust Fan Hardware Kit prop65 or add on additional verticalFan 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