The Raindrip automatic drip watering kit comes complete with an electric timer designed to water up to 20 potted plants, hanging baskets, or planter boxes. The kit"s mini in-line drippers and PC (pressure compensating) drippers are great for all types of container drip watering. The set includes 75 feet of 1/2-inch poly hose, two 1/4-inch barbed connectors, 15 1/4-inch barbed tees, two 1/4-inch barbed elbows, 15 4-inch support stakes, 10 1/2-gph PC drippers, 10 1-gph mini in-line drippers, five 1/4-inch tube end clamps, one 3/4-inch hose thread swivel to 1/2-inch compression adaptor and filter washer, 10 1/4-inch mounting clamps, 10 gph PC flow controls, and one electronic water timer.