Profile: Roberts Irrigation Products, Inc. manufactures micro & drip irrigation products for field, nursery, greenhouses, orchards, vineyard and landscaping applications. Our product includes Ro-Drip® drip tapes, Spot-Spitter® products, 435/436 sprinkler, PVC valves, Drop-In Bubbler and Spot-Spinner®. We design max flat hose, which features 1/4" to 4" diameter products, rated at 21 PSI, made from high quality prime resins and easy-to-handle.