The Waterco Trimline and Micron lock ring is designed for compatible filter applications where the locking ring that secures major vessel sections needs replacement. A lock ring is useful because it helps hold the assembly together with the kind of retention and serviceability that these filter designs depend on.This replacement is especially useful when the original ring is cracked, worn, distorted, or no longer locking the assembly together with confidence. Replacing the correct lock ring can dramatically improve how secure and service-ready the filter feels after repair.The 62024BLK is a practical service part when a compatible Waterco Trimline or Micron filter needs its lock ring restored for more stable vessel retention. Waterco Trimline and Micron lock ring Designed for compatible vessel retention and closure applications Helps restore secure locking between filter sections Useful when the original ring is damaged or worn Supports a more dependable and complete rebuild