


Most products ship from our Texas facility in 1 to 2 business days. Express shipments placed after 12PM EST ship the next business day. Full details are on our Shipping page.
Returns can be made on most products within 30 days of purchase. After 30 days we are unable to offer a refund or exchange. Certain products are non-returnable. For full details visit our Returns Policy.
Weight: 1.57 lb
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 or pipes are level and measure and verify that the opening is the proper measurement for your fan.