Pool Filter Cartridge 4-Pack Compatible Replacement for Jandy CL340

In this review of the Pool Filter Cartridge 4-Pack, the bottom line is straightforward: this compatible replacement set is aimed at pool owners who need a cost-effective, long-lasting cartridge for Jandy CL340 and similar housings. The biggest reason to buy is the American-made 100% Reemay filtration media, which is designed for durability and easier cleaning compared with generic pleated fabrics. Installation is simple and the cartridges fit models that use OEM R0554500 / C-7459 / PJAN85 cross-references, making this a practical swap for routine filter maintenance.

Key Features

• Made in USA: The cartridges use 100% Reemay filtration media manufactured in the United States, which supports consistency and controlled material quality.
• Support bands: Each cartridge includes support bands around the element to help preserve pleat shape and reduce deformation during use.
• Wide compatibility: They are compatible with many OEM numbers including R0554500, C-7459, PJAN85 and FC-0800, simplifying replacements for several filter brands.
• Standard dimensions: With a length of 27 in, outside diameter 7 in and inside diameter 3 in, the cartridges match the physical requirements of CL340 and CV340 housings.
• Durability and cleanability: The Reemay media was selected specifically to withstand repeated cleaning and deliver sustained filtration performance over seasons.

Who It's For

These cartridges work well for residential pool owners who run Jandy CL340, CV340 or other systems that accept the listed OEM cross-references and who want an aftermarket option made with resilient Reemay media. If routine cleaning and value are priorities, the set of four gives spare cartridges for staggered replacement or seasonal swaps.

Those who should look elsewhere include owners of non-compatible filter housings or anyone who requires factory OEM branding for warranty reasons, since these are aftermarket compatible replacements and not original manufacturer parts.

Pros & Cons

Pros

• Good filter quality from 100% Reemay media that balances capture efficiency and cleanability.
• Fits a range of OEM cross-references so replacement is straightforward for CL340 and similar models.
• Includes structural support bands that help the pleats hold shape during operation and cleaning.

Cons

• Build quality of end caps receives mixed feedback; some users report plastic caps that feel less robust than factory originals.

Specifications

Brand	Optimum Pool Technologies (independent brand)
Media	100% Reemay filtration media
Length	27 in
Outside Diameter	7 in
Inside Diameter	3 in
Compatible OEMs	R0554500, C-7459, PJAN85, FC-0800 (references)

Our Verdict

For homeowners who need an affordable, functional replacement for Jandy CL340-style cartridges, this 4-pack is a sensible choice thanks to its US-made Reemay media and support bands that improve longevity. It delivers solid value for routine maintenance, though buyers who prioritize factory-branded parts or heavier end-cap construction may prefer OEM units.

Frequently Asked Questions

Are these cartridges original manufacturer parts?
They are aftermarket compatible replacements and not OEM parts; manufacturer names and part numbers are used for reference only.

Will they fit a Jandy CL340 filter housing?
Yes, the dimensions and cross-reference numbers indicate compatibility with Jandy CL340 and CV340 housings that accept the listed OEM numbers.

How long do the cartridges last?
Longevity varies with pool conditions and maintenance, but customers report they can last several years with regular cleaning and care.