The Udor Kappa 43 Piston Diaphragm 02-0903.43 is a replacement part that helps spray equipment work better and more reliably. It supports professionals in Lawn Care, Pest Control, Turf, Golf Course, Arbor, Agronomics, and Fire Control. It helps keep flow and pressure steady, cutting down on downtime and maintenance. Count on this part to keep your equipment running smoothly and efficiently. Available now at GNC Industries’, where great spray equipment starts.