Apollo Horticulture 8 Outlet Copper Air Divider for Commercial Hydroponic Air Pumps Package Includes: 1 - Apollo Horticulture 8 Outlet Copper Air Divider Dimensions: 6" x 2.25" x .75" / Weight: 6.8 oz Input size: 1/4" Diameter / Output Size: 1/8" Diameter New multi-outlet with open and close valve design from complete aeration control Copper design ensures no rust with continuous and consistent air flow.