10 PCS Polycarbonate Greenhouse U Connector Profile 4ft Length Fits 0.32’’ & 0.4’’ Twin-Wall Polycarbonate Panels Duty Dust Rain & Moisture Protection Durabler (U-Clip 4' × 0.71’’ × 0.4’’)

10 PCS Polycarbonate Greenhouse U Connector Profile 4ft Length Fits 0.32’’ & 0.4’’ Twin-Wall Polycarbonate Panels Duty Dust Rain & Moisture Protection Durabler (U-Clip 4' × 0.71’’ × 0.4’’)