Capacity of giving 4 liters (4 LPH) of water.Arrangement of water for 1, 1.25, 1.5, 2, 2.5, 3 ft each in 12,16, and 20 mm.Using the Hydro Turbo Design, the dripper choke is less than 35%.Due to the inline drip, the chew has a restrictive coating.Easy to use because the bundle is available in the rig..