Mer-Made Hand Knob [Filter, Fits 4/6/8 Fiberglass Strainers] (K6512) sandfilters the lamp side of the

the lamp side of the system can no longer operate as intended

When an output-level relay board begins to fail

Improves repair organization and fit confidence

Helps transition between threaded and slip plumbing sections

Useful when the original hub or laterals are damaged

Mer-Made Hand Knob [Filter, Fits 4/6/8 Fiberglass Strainers] (K6512) sandfilters the lamp side of theThe Mer Made hand knob is designed for compatible fiberglass strainer applications where the knob needs replacement for opening, closing, or securing the strainer assembly. A hand knob is useful because it provides an easier grip point for manual adjustment, supporting cleaner service and more convenient maintenance. This replacement is especially useful when the original knob is cracked, stripped, broken, worn, or missing. Matching the correct fit