The PD Storm Line Set is an original replacement line set from Performance Designs, ordered for your selected canopy size and line type. Line condition directly affects openings, trim, flare, and overall handling. Replacing the line set at the proper interval helps the canopy continue to fly as designed. Compatibility Canopy model: PD Storm Available sizes: 97, 107, 120, 135, 150, 170, 190, 210, 230 Available line types: 600 Dacron, 825 Microline, 550 Microline Before ordering Check the label on your canopy and select the exact canopy size and line type you need. If you are unsure, ask your rigger or contact us before placing the order. Line set installation should be completed by a qualified rigger or experienced canopy technician.