Pentair Replacement Filter Lid (178561)

Pentair Replacement Filter Lid (178561) (75, 150, 200 sq. ft)

A heavy-duty, OEM-grade lid that restores a watertight seal to your sand or cartridge filter—preventing leaks and air-locks.

• Perfect Fit: Direct replacement for Pentair Clean & Clear®, System 3®, Sand Dollar® and other large-tank filters.

• Durable Construction: Engineered from impact-resistant ABS to withstand pressure and UV exposure.

• Easy Swap: Twist off the old lid, replace the O-ring, and twist on the new one—no special tools required.

🔧 Pro Tip: Always lubricate the O-ring with a silicone-based grease before installation to ensure a snug, leak-free seal.