Spa Filter Compatible with 6CH-940 FC-0359 PWW50P3 - 45 sq ft (2 Pack)

In this review the Spa Filter Compatible with 6CH-940, FC-0359 and PWW50P3 is presented as a practical replacement for owners of many hot tub and spa systems who need an affordable, reliable cartridge. The bottom line: it is for people who want a straightforward, easy-to-install filter that fits coarse 1 1/2' SAE threaded housings and delivers a large 45 sq. ft. filtration area. The reviewer found it to be a solid factory-style substitute that balances performance and value for routine spa maintenance.

Key Features

• Compatibility: Works with a wide list of part numbers so owners of many spa models can replace their old cartridge without guessing fit.
• Filter Size: The 8 1/4' length and 6' outer diameter provide a large surface area that helps keep water clearer between cleanings.
• Thread Type: The 1 1/2' coarse SAE bottom thread makes installation straightforward on compatible housings and reduces cross-thread risks.
• Filtration Area: The 45 sq. ft. media offers sufficient capacity for typical residential spa use, extending time between maintenance cycles.
• Ease of Maintenance: The top circular handle and the washable cartridge design make rinsing and handling simple during regular upkeep.
• Two-Pack Convenience: Supplied as a 2 pack so owners have a spare on hand for rotation or quick replacement when needed.

Who It's For

This filter is best for spa and hot tub owners who already know their system accepts a 1 1/2' coarse SAE threaded cartridge and who value a large filtration area for longer life between cleanings. It suits owners replacing OEM cartridges with a cost-effective aftermarket option that fits models listed for compatibility.

It is less suitable for owners who need a very specific OEM-branded part number verification from the manufacturer or those with different thread types or sizes. If the spa uses a different length, diameter or fine-thread connection, shoppers should double-check fit before buying.

Pros & Cons

Pros

• Good fit and function for the compatible models identified, matching customer reports of easy replacement.
• Large 45 sq. ft. filtration area improves dirt-holding capacity and time between cleanings.
• Top circular handle and washable construction make routine maintenance quick and simple.

Cons

• Aftermarket brand; owners who require official OEM branding or documentation may prefer an original manufacturer part.

Specifications

Length	8 1/4 in
Outer Diameter	6 in
Thread	1 1/2 in coarse SAE
Filtration Area	45 sq. ft.
Handle	Top circular handle
Pack	2 pack

Our Verdict

This Chryseos-compatible spa filter is a practical buy for owners who need a reliable, large-area replacement that installs easily and cleans up quickly. It delivers solid value as an aftermarket cartridge when fit is confirmed, making it a worthwhile choice for routine spa maintenance and those looking to keep water clear without a high cost.

Frequently Asked Questions

Will this filter fit my spa?
It fits spas that accept an 8 1/4 in by 6 in cartridge with a 1 1/2 in coarse SAE bottom thread; confirm your existing part size before ordering.

Can this filter be cleaned and reused?
Yes, the cartridge is washable and designed for routine cleaning to extend useful life with proper maintenance.

Is this an OEM filter?
No, it is an independent Chryseos brand compatible replacement intended to match the listed part numbers for fit and function.