1. Our greenhouse channel can accommodate both film and insect-proof net at the same time, and can also be used for double-layer installation. The structure of our channel is different from the common type, providing a tighter and more secure fit than regular channels, which reduces slippage (spring is less likely to pop out) and offers better wind resistance, preventing the film from being blown away.2. The installation of greenhouse channel requires connection plates for attachment.3. The greenhouse channel is a new product for greenhouse accessories -- the windproof channel, which serves to secure the greenhouse film, insect-proof net, and shading net.4. Slot Specifications: Slot width approximately 30mm, slot depth around 11mm, product length 4 meters per piece.5. Material: Galvanized/Aluzinc/Steel Sheet, Aluminum Alloy Plate Cutting and Pressing, excellent corrosion resistance, more suitable for damp and rainy areas and farming greenhouses.