Plastic Supply PVCED12 45 Degree Elbow PVC, For 12 in Duct Dia, 19 1 4 in Overall Lg, 2 Pieces 3FZL7 Concrete Slider Knee Board Concrete Slider Knee Board Viscosity Index 100 Cell Class 12454 Duct Fitting Material Type I PVC Duct Fitting Item 45 Degree Elbow Material PVC Series PVCED Color Dark Gray Type 45 Degree Material Grade Type 1 Angle 45 Degrees Seal Material Not Applicable Maximum Temperature Rating 140 Degrees F Connection Type Socket Number of Pieces 2 End Type Plain Compatible with Brand Plastic Supply Minimum Pressure Rating Not Applicable Maximum Pressure Rating 10 in wc Material Thickness 0 For Duct Shape Round