This bulkhead kit includes all necessary components for installation: a 2-inch internal locknut, internal and external spacers, bulkhead O-ring, and bulkhead gasket. This ensures a complete and reliable setup for Triton® II sand filters. Specifically designed for use with Triton® II Pool and Spa Sand Filters (TR50, TR60, TR100, TR140), this kit ensures a secure and leak-proof connection, essential for maintaining optimal filter performance and system integrity.