All DEN HARTOG SEPTIC TANK RISER/EXTENSION Home » » DEN HARTOG SEPTIC TANK RISER/EXTENSION AST19365 COLOR: Black WEIGHT: 13 lbs SPECIFICATIONS: 7" Access Extension SPECIFICATIONS: 7" Access Extension $90.00 AST19212 COLOR: Black WEIGHT: 35 lbs SPECIFICATIONS: 16" Access Extension SPECIFICATIONS: 16" Access Extension $110.00
