Mister Landscaper MLK-PWK Patio & Potting Plant Drip Irrigation Watering Kit Made in the USA In under thirty minutes have this kit installed, watering up to 8 Potted plants By tightening the top, dripper stakes can be shut off completely for added control We recommend using our 25 psi pressure regulator (mld-25pr) with any drip system We also recommend using one of our faucet filters (mlff-41, mlff-150) with any drip system