Replacement filter cartridge for spas and pools.

Each filter measures approximately 5" in diameter by 13 5/16" in length. Top Opening: Handle Bottom Opening: 2 3/8"

Check original part number and filter size for compatibility. Replaces Unicel part number C-5625. Replaces Filbur part number FC-1425. Original Pleatco part number PJ25-IN. Aftermarket filter.

Pools and spas using water filter cartridge part number PJ25-IN: Jacuzzi Brothers original part numbers 42-2891-08-R, 42-2763-03; Jacuzzi Whirlpool Bath original part numbers 5475000.

Replaces many filters from Emerald Spas, Seven Seas.