I wonder what kind of pipe shape this is?? https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-frc3/v/1058313_567036426681224_296318052_n.jpg?oh=d03c54f4d54493aaa761d7768a6d6a41&oe=51FE3B5E&__gda__=1375655661_bc615c8050d5f6e9c172f678a2639dc0