Astral Pool 3000 Series Lock Ring (4404180102) poolvergnuegen A DE grid replacement filter

A DE grid replacement filter helps refresh the working filtration surface inside a compatible diatomaceous earth filter assembly

Feed tubing is an important maintenance item because material wear can affect how consistently a chemical feeder delivers product

Rated for 4

Helps restore intended stream shape and seat feel

Astral Pool 3000 Series Lock Ring (4404180102) poolvergnuegen A DE grid replacement filterThe Astral Pool 3000 Series lock ring is designed for compatible filter applications where major body sections need to be secured together with dependable retention. A lock ring like this is useful because it helps maintain the assembly structure, supporting both sealing integrity and a more stable overall fit. This replacement is especially useful when the original lock ring is cracked, warped, damaged, or no longer tightening with confidence.