Pentair Tank O-Ring | PLM & PLD Series Filters | 27001-0061S C8417 the Unicel C-7489 is a

the Unicel C-7489 is a direct drop-in upgrade (same dimensions

It digests oil on contact and is safe for both the environment and swimmers

) are the main concern

Skirt replacement is a simple tool-free swap that typically restores full cleaner performance immediately

For pools with heavy usage

Pentair Tank O-Ring | PLM & PLD Series Filters | 27001-0061S C8417 the Unicel C-7489 is aThe Pentair Tank O Ring (27001 0061S) is the OEM replacement cord ring for the Sta Rite System: 2 Modular Media Filter (PLM Series), System: 2 Modular D. E. Filter (PLD PLDE Series), and associated PLD Filter Systems. This is the center O ring that seals the filter tank housing. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard