Comparison : Item # 007-000-0120, Standard Multi-Hanger Inline, 2 Hanger, Steel Springs, 120 VAC
Item # 007-000-0145, Standard Multi-Hanger Inline, 2 Hanger, Steel Springs, 240 VAC
Item # 007-000-0166, Standard Multi-Hanger Inline, 2 Hanger, Fiberglass Springs, 120 VAC
Item # 007-000-0175, Standard Multi-Hanger Inline, 2 Hanger, Fiberglass Springs, 240 VAC
Item # 007-000-0122, Standard Multi-Hanger Inline, 3 Hanger, Steel Springs, 120 VAC