A cloudy backyard pool rarely starts with the pump or the chemistry. It starts with a filter cartridge that can no longer catch the fine debris the water sheds every day. Swapping in a properly sized, well-built cartridge is the single biggest visual improvement a pool owner can make in an afternoon, whether the goal is restoring clarity after winter or stepping up from a tired element that no longer pulls its weight.
The six options below cover both replacement cartridges for existing tank systems and complete filter units ready for a fresh install. Each one targets a different pool size, footprint, and existing equipment brand, so the right match depends less on the filter itself and more on what it has to keep up with.
A Quick View Of The Lineup
A Breakdown Of The Leading Choices
Replacing the four cartridges inside a Pentair Clean & Clear Plus 320 tank is one of the most common spring projects for inground pool owners, and this 4-pack from VEVOR is built as a direct match. Each element measures 20 inches long with a 7-inch outer diameter and carries 80 square feet of pleated media, which is the working surface that physically traps debris as water pushes through.
For homes running a Pentair Clean & Clear Plus 320 housing, the swap is essentially a pull-and-slide job, no tools beyond a garden hose for cleanup. Owners in moderate-tree-cover neighborhoods typically get a full season of clean water before a rinse-down is needed.
The Upside
- Cross-compatible with Pentair, Pleatco, Unicel, Filbur, and other major part numbers, so the right cartridge is more likely to show up on the first order.
- Trilobal fiber construction pulls finer particles than basic spun-bond media, which translates to visibly clearer water within a day or two of cycling.
- Four-pack pricing spreads the cost across an entire filter overhaul, so there’s no last-minute scramble for a second-order replacement mid-summer.
- 20 x 7 inch footprint matches OEM dimensions, so sealing surfaces line up without shimming.
Things To Consider
- Cartridges in dusty or pollen-heavy pools may need hosing off more often than the OEM equivalent, depending on use.
Who It Suits Best
Pool owners with a Pentair Clean & Clear Plus 320 housing who want a complete cartridge refresh without sourcing each element separately.
Consider Something Else When
The Hayward C900 owner should reach for the VEVOR C900 cartridge instead, since the dimensions and end-cap geometry are built for a different tank.
The Hayward C900 sits in a lot of mid-size inground backyards, and the VEVOR replacement cartridge is sized to slide into that housing without modification. At 17 3/8 inches long, 8 15/16 inches in diameter, and rated for 90 square feet of filtration area, it lines up with the original part number, which matters because C900 tanks are picky about end-cap fit.
Compared to the larger Pentair cartridges covered earlier, this one targets a smaller tank footprint, making it a more natural fit for residential pool systems built around Hayward’s Star-Clear Plus line. For most households, a single cartridge and a quick rinse every few weeks is all the maintenance this filter asks for.
A Few Highlights
- Direct match for Hayward C900 and CX900RE housings, plus Pleatco PA90 and Unicel C-8409 equivalents.
- 50-micron (a micron is one-thousandth of a millimeter) filtration rating handles everyday debris without choking flow on residential pumps.
- Trilobal fiber weave catches more particles per pass than flat-weave media, so the water turns over cleaner in real time.
Worth Noting
- Single-cartridge format means a backup is worth keeping on hand if the pool runs through heavy leaf-drop weeks.
- Installation in a tight equipment pad may call for clearing a few inches of clearance around the tank lid before the lid lifts off.
Quick Facts
Made For
Hayward C900 owners with a residential-size pool who want a drop-in cartridge that mirrors the OEM footprint.
Look Elsewhere When
Anyone running a Pentair Clean & Clear Plus 320 should pick the VEVOR PLFPCC80 4-pack, since that tank uses four 80 sq ft elements rather than a single 90 sq ft cartridge.
Clean & Clear 150 tanks take a single 150 square foot cartridge, so a swap means one large element, not a stack of smaller ones. The VEVOR CC150 replacement measures roughly 31 1/8 inches tall with a 10 1/16 inch outer diameter, which lines up with Pentair R173216, Pleatco PAP150, and Unicel C-9415 specs.
Where the 320 system from earlier spreads its work across four cartridges, this one consolidates everything into a single tall element, which makes cleaning a little more straightforward and the tank interior a little more open. In a typical residential pool, the bigger surface area stretches the time between cleanings by a few extra weeks compared to smaller elements.
Everyday Advantages
- EPA-registered cartridge media, a useful benchmark for households paying attention to water-contact material standards.
- 150 sq ft surface area handles longer run cycles before pressure climbs, which means fewer rinses per month.
- Compatible with multiple part numbers, so cross-referencing is rarely needed before ordering.
Honest Caveats
- The tall cartridge needs a clear vertical lift path above the tank before the lid opens all the way.
- Larger media area means a slightly longer dry time after hosing off, depending on climate.
Feature Snapshot
Best Suited To
Pool owners with a Pentair Clean & Clear 150 housing who want a single-element swap with a generous media area.
A Better Fit Elsewhere
Anyone running a 420 sq ft Clean & Clear Plus 420 tank should look at the VEVOR Pool Filter Cartridge 420, which is built for that larger housing instead.
For pools without an existing tank, or setups where the old filter is ready to be retired outright, the VEVOR 2026 Cartridge Filter arrives as a complete system rather than a replacement element. It carries a 50 square foot element inside a PP and fiberglass composite housing, and it pairs with pumps ranging from 1/3 to 1 horsepower.
Where the earlier cartridge picks assume the tank is already on the equipment pad, this one brings the whole tank along. For a small inground pool holding up to roughly 19,866 gallons, that’s a clean way to upgrade an aging setup without sourcing a separate housing, plumbing adapters, and a lid.
What Pays Off
- PP and fiberglass composite body resists weather wear and helps prevent leaks at seam points over time.
- 50-micron pleated media clears fine sediment that would otherwise keep a smaller sand or DE system working overtime.
- Up to 2,483 GPH (gallons per hour) flow capacity suits small residential pools without overpowering a standard pump.
Points To Note
- Works with pumps up to 1 HP, so a larger pump on the pad would need a different housing.
- 50 sq ft media is on the smaller side for high-bather-load pools, depending on use.
- Lead-free material construction is a useful spec for households sensitive to water-contact materials.
The Right Fit
Homeowners replacing a worn-out filter on a small inground pool who want a complete, ready-to-plumb system rather than just a cartridge.
Another Choice May Suit
Anyone with a much larger pool (well over 19,000 gallons) or a pump over 1 HP should consider the VEVOR 2026 Pro 525 sq ft system, which is built for higher-volume work.
The Pro version steps up to a 520 to 525 square foot filtration area, with a flow ceiling of around 15,311 GPH and a pool-volume range running up to roughly 122,490 gallons. That puts it well beyond a typical backyard and into community or light-commercial territory, where a smaller housing would be cleaning the same water for hours just to keep up.
Pumps from 1 HP up to 3 HP can drive this filter without starving the system, which is a real difference from the 50 sq ft unit covered earlier. For a property with a large residential pool, a school, or a hotel setup, the larger media surface area cuts cleaning frequency noticeably.
Benefits That Matter
- 525 sq ft media handles the kind of debris load that overwhelms standard backyard filters, depending on use.
- Up to 15,311 GPH flow keeps turnover times reasonable in very large pools.
- Wide pump compatibility from 1 to 3 HP makes it easier to pair with existing equipment.
Smaller Caveats
- Footprint is substantial, so the equipment pad needs to be measured before ordering.
- Overkill for a single-family backyard pool under 25,000 gallons.
Quick Technical Notes
Who Should Grab It
Property managers, hotel operators, or homeowners with very large inground pools who need filter capacity well beyond a standard residential system.
Reach For A Different Pick When
Owners of modest residential pools will find the VEVOR 2026 50 sq ft system a more practical match, since this Pro tank brings far more capacity than a typical backyard needs.
Clean & Clear Plus 420 systems need four 105 sq ft cartridges, and this 4-pack from VEVOR is built to drop into that tank as a single project. Each element replaces Pentair CCP420, R173576, Unicel C-7471, and Filbur FC-1977, so cross-referencing the model number is usually straightforward before placing the order.
Compared to the 320 setup covered in the first review, this 420 system handles a larger pool volume with the same pull-and-slide install method. For homeowners already familiar with the 320 refresh, the 420 swap feels like a natural step up rather than a new maintenance routine.
Real-World Strengths
- NSF/EPA-registered cartridge media adds an extra layer of confidence for water-contact material sourcing.
- Four-pack format matches the four-element layout of the 420 housing, so a full refresh is one order.
- Cross-compatibility with major OEM part numbers reduces the chance of a sizing mismatch at install.
A Few Limitations
- Replacing all four cartridges in one session takes longer than a single-element swap, depending on experience.
Perfect Match For
Pentair Clean & Clear Plus 420 owners preparing a full seasonal cartridge refresh on a larger inground pool.
Swap It Out When
Anyone with a 320 tank should pick the VEVOR PLFPCC80 4-pack instead, since the 420 cartridges are physically larger and will not seat properly in the smaller housing.
What To Match Up Before Picking A Filter
The single most important number on any cartridge is the square footage of media, not the price or the brand badge. Larger surface area means the filter can hold more debris before pressure rises, which translates directly to longer intervals between rinses. A pool that runs through pollen-heavy spring weeks benefits from the biggest area the housing can accept, since the trade-off is more filter time and less hands-on maintenance.
Next comes the housing fit, which is non-negotiable. Pentair, Hayward, and other major brands each use different end-cap geometries, and a cartridge that is even a quarter inch off in length or outer diameter will not seat properly. Cross-referencing the OEM part number against the replacement’s part-number compatibility list prevents a return and a week of cloudy water. Tank-internal clearance matters too, especially for the 31-inch-tall Clean & Clear 150 element, which needs a clear vertical lift path above the tank lid.
Flow rating is the third piece. A filter rated for 50-micron filtration is fine for most residential pools, but a pump that pushes more GPH than the filter can comfortably accept will shorten cleaning intervals and may even push debris through the media. The two standalone tank systems in this roundup are built for very different pump sizes, and matching the tank to the pump on the pad matters as much as matching the cartridge to the tank.
Finally, think about who is doing the work. A complete tank system is a heavier install, often involving new plumbing unions and a half-day of setup. A replacement cartridge is closer to a 30-minute project for most homeowners. Picking the right level of project for the comfort level on hand keeps the weekend on track.
Key Considerations Across These Picks
Wrong Turns To Avoid
The most common slip is buying a cartridge based on the housing brand alone without checking the exact OEM part number. A Pentair Clean & Clear 320 and a Clean & Clear Plus 320 use different cartridges, and a Clean & Clear 150 takes yet another size. Always cross-reference the part number on the existing element before ordering. The second trap is under-sizing a complete tank system for the pool’s actual gallon count, which leaves the pump running constantly just to keep the water presentable.
Where The Extra Money Goes
Higher-tier filters earn their keep with denser pleat counts, more uniform media spacing, and housing materials that hold up to years of UV exposure without cracking at the seams. A premium replacement cartridge often lasts an extra season or two before media begins to break down, and a heavy-duty tank system reduces the number of cleanings per month. For households that use the pool daily, that time savings adds up across a full swim season.
Frequently Asked Questions
How often should an inground pool filter cartridge be cleaned? Most residential cartridges need a rinse every 4 to 6 weeks during heavy use, though pollen season and post-storm conditions can shorten that interval. Pressure rising 8 to 10 PSI above the clean baseline is the usual signal.
Can a replacement cartridge be used in different brand housings? Only when the part numbers cross-reference. Manufacturers publish equivalent part numbers (for example, Pleatco PCC80-PAK4, Unicel C-7470, and Pentair CCP320 are interchangeable), and the VEVOR cartridges in this roundup list those equivalents on the product page.
Is a cartridge filter or a sand filter better for inground pools? Cartridge filters trap finer particles and don’t require backwashing, which saves water over time. Sand filters handle higher flow rates and tolerate neglect a little better, but they let smaller debris pass back into the pool.
What does micron rating mean on a pool filter? A micron is one-thousandth of a millimeter, and the rating describes the smallest particle the media can reliably trap. A 50-micron filter catches dust, pollen, and most organic debris, which is enough for typical residential pools.
How long does a cartridge pool filter last? With regular rinsing and an occasional deep soak, a quality residential cartridge usually lasts 2 to 3 seasons before the pleats begin to wear thin and water starts bypassing the media. Higher-end cartridges in mild climates can stretch a season longer.
Final Verdict
The right inground pool filter comes down to the existing equipment and the pool’s actual size, not the most expensive option on the shelf. A Clean & Clear Plus 320 owner needs a different cartridge than a Hayward C900 household, and a backyard under 20,000 gallons rarely benefits from a 525 sq ft tank. Match the housing and the gallon count first, and the right pick usually becomes obvious.









