Not required., Access pipe - eared., Access pipe - no ears., 92° bends., 112° bends., 135° bends., 92° branches., 112° branches., 135° branches., Rectangular right hand 112.5° side bends - eared., Rectangular left hand 112.5° side bends - eared., Rectangular 112.5° side bends - no ears., Rectangular right hand 92.5° side bends - eared., Rectangular left hand 92.5° side bends - eared., Rectangular 92.5° side bends - no ears., Rectangular right hand 135° side bends - eared., Rectangular left hand 135° side bends - eared., Rectangular 135° side bends - no ear., Rectangular 112.5° front bends - eared., Rectangular 112.5° front bends - no ears., Rectangular 92.5° front bends - eared., Rectangular 92.5° front bends - no ears., Rectangular 135° front bends - eared., Rectangular 135° front bends - no ears.