Locking Ring for Trimline Cartridge Filter Lid MK2 MK3 gate giving you a cohesive relaxation

giving you a cohesive relaxation experience rather than a patchwork of parts

or heavy equipment

or painted

Direct compatibility: Works seamlessly with Dontek V2

Locking Ring for Trimline Cartridge Filter Lid MK2 MK3 gate giving you a cohesive relaxationTake control of your Waterco Trimline cartridge filter lid with the Locking Ring MK2 MK3 a purpose built replacement that secures the lid, reduces wear, and makes maintenance smoother, safer, and less prone to damage. Designed specifically for Waterco Trimline MK2 and MK3 lids, this locking ring is the essential upgrade when a lid sticks or when you want to avoid costly breakages from prying with improvised tools. Its the part you install once and