A1) 48 diameter x H30 A2) 48 diameter x H30 with 8-8" end extensions B1) 54 diameter x H30 B2) 54 diameter x H30 with 8-8" end extensions C1) 60 diameter x H30 C2) 60 diameter x H30 with 8-8" end extensions D1) 72 diameter x H30 D2) 72 diameter x H30 with 8-8" end extensions