Pleatco - Filter Cartridge for Waterway Front Access Skimmer without Adapter - No Threads

Filter Cartridge for Waterway Front Access Skimmer without Adapter, 40 sq ft. The PWW50-XP4 has no threads. It is a direct replacement for original product number PWW50

• NOTE: No threads/keyed bottom
• OEM Part Numbers: 817-0050, 03FIL1400, 25252, 378902, PWW50, PWW50-XP4