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Keep your filter tank sealed tight. This Pentair/Rainbow lock ring fits the 6-1/8″ ID opening on Dynamic Series I-V filters and other Pentair equipment. A secure seal prevents leaks and ensures proper water flow. Install hand-tight—no special tools needed. Replace worn rings to stop leaks around the filter housing.
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🇺🇸 Ship from USA · On Agora since 2026
$33.69