PLF4CH-21 basin filter cartridge, suitable for PDM25P4, PTL18P4, PVT-25N models

The PLF4CH-21 pool filter cartridge is an advanced solution for cleaning pool and spa water from hair, dust, fine particles, and suspended solids. This pool filter cartridge is designed using "Dirt Locking" technology, which traps up to three times more dirt than standard filters, ensuring that the water remains clean, fresh, and clear for longer.

Pool filter cartridge - key features

• Advanced dirt trapping technology – captures more than three times more contaminants than standard cartridges, including hair, dust, and fine particles.
• Trilobite-shaped fabric structure – the filter element is designed so that dirt is easily removed during cleaning, so the cartridge looks like new again.
• Wide Compatibility Design – suitable for many popular models, making it easy to find a suitable replacement without further searching.
• Long-lasting cleanliness – ensures continuous water clarity and freshness between cleanings.
• Easy maintenance – it is recommended to clean once a month for optimal performance.

Technical specifications

• Model: PLF4CH-21
• Compatible models: PTL18P4, PTL18-4, PTL18-XP, Unicel 4CH-21, Filbur FC-0121, SD-00845, SD-00821, SD-00838, SD-01161, SD-01363, SD-00001, Pageant Spa Top Load, Saratoga 20245-238, Vita PVT-25N
• Technology: Dirt Locking (advanced dirt trapping technology)
• Filtration efficiency: more than 3 times higher than standard filters
• Materials captured: hair, dust, fine particles, suspended solids
• Filter element structure: trilobite-shaped fabric
• Recommended cleaning frequency: once a month
• Application: pools, spas (hot tubs)
• Warning: do not backwash - this may cause cracks or permanent damage

Who is it suitable for and how to use it?

This pool filter cartridge is ideal for pool and spa owners looking for a reliable replacement for original filters. It is recommended for those who want to maintain clean and clear water without frequent filter replacements. Installation is simple - just replace the old cartridge with a new one according to your system's requirements. Clean the cartridge manually once a month, but never use backwashing, as this can damage the filter structure.

Buyer questions

Question: How often should this filter cartridge be cleaned?
The manufacturer recommends cleaning the cartridge once a month to ensure optimal performance. Regular cleaning helps maintain high dirt trapping efficiency and extends the filter's lifespan.

Q: Can the cartridge be cleaned by backwashing?
No, backwashing is strictly not recommended, as it may cause cracks or permanent damage to the filter. Clean the cartridge manually, following the manufacturer's instructions.

Q: Which models is this filter cartridge compatible with?
This cartridge is compatible with PTL18P4, PTL18-4, PTL18-XP, Unicel 4CH-21, Filbur FC-0121, Saratoga 20245-238, Vita PVT-25N, and other SD series models.

This pool filter cartridge is a reliable choice for those who want clean water in their pool or spa. It is suitable for both home and professional use, where quality and compatibility are important.

Sources: Pool water cleaning | TopSmart store