Comparison : Item # 15H12A13A2N, 2 Unit Modular Combination
Item # 15H22A13A2N, 2 Unit Modular Combination
Item # 16H12A13A2B, 2 Unit Modular Combination
Item # 16H22A13A2B, 2 Unit Modular Combination
Item # 16H32A13A2BG, 2 Unit Modular Combination