This replacement filter standpipe cap is engineered for Watkins Spas hot tub systems and provides a reliable seal for your filtration assembly. The gray cap fits models referenced as DIY36513 and DIY78932, ensuring proper water circulation and filter performance. Designed as a direct replacement part, it maintains system integrity and prevents debris from entering the standpipe. Essential for maintaining optimal water quality and extending your spa's operational lifespan. Keep a spare on hand for quick repairs and uninterrupted relaxation.
