The Frog Dispenser Cap is a replacement cap designed for the Frog in-line chemical dispenser used in Marquis spas. This dark gray cap ensures a secure fit for the dispenser system. It plays a crucial role in maintaining the proper dispensing of sanitizing chemicals, helping to keep your spa water clean and safe. Compatible with Marquis spas and other spas that use the Frog system, this cap serves as an ideal replacement for worn or damaged caps, ensuring the continued efficient operation of your spa’s chemical dispensing system.