Your Professional Pool Filter Cartridge Producer in China
Filson supplies a series of pool filter cartridges and pool filter cartridge replacements of many popular brands. These pool filter cartridges are mainly made of polypropylene(PP), own a multi-pleats construction.
Filson pool filter cartridge is washable for achieving longer service time and becomes a more cost-effective choice. If you are looking for a filter that can best fit your pool, hot tub, and SPA filtration needs, we sincerely introduce you to the pool filter cartridges below.
Pool Filter Cartridge
Why Choose Filson?
Filson has a long track record of producing filter elements and designing whole filter systems, at least 18 years. Until now, Filson has always aimed to be the best pool filter cartridge brand through innovative design and a spirit of good cooperation.
Filson supplies numerous pool filter cartridge models such as standard model pool filter cartridge A or C, type B, type H and, type S1. All of them are always insufficient stock, so that satisfy your urgent or large quantity order with quick delivery.

Filson: One of the Best Pool Filter Manufacturers in China(MOQ-50PCs)
Filson pool filter cartridges are customizable in pleat numbers to attain your special filtration efficiency and enhanced dirt holding capability. For your requirement of a high filtration effect, Filson pool filter cartridges can obtain an outstanding filtration accuracy of up to 5 µm.
Cartridge Pool Filters for Above Ground Pools
By removing soil, sand, floater, hair, fiber, or other dirt and impurity particle from water, Filson pool filter cartridges can help to maintain the clarity of water effectively and keep the pool working normally.
Filson standard pool filter cartridges are formed as the most simplified cylindrical shape, but also capable of designing with special constructions. Therefore, they are perfectly suitable for most models of pool cartridge filter systems, while providing advantages of easy installation and removal.
Foam Pool Filter Cartridge Supplier in China
Moreover, Filson pool filter cartridge also has great scrub resistance due to the reinforced thick PP felt material, thus owning better strength and longer lifespan. It will last for 3-5 years but certainly effects by the frequency of use and the way you clean it.
Filson’s best pool filter cartridges are widely used in aquariums, fish tanks, and other filter equipment. Moreover, they are capable to apply as replacements like above-ground pool filter replacement or indoor/outdoor swimming pool filter cartridge replacement as well.
Pleated Pool Filter Cartridge Replacement
You can work with us assuredly since Filson is a direct factory with a professional team. By owning more than 10 expert engineers, Filson is capable of helping you with an absolute majority of pool filter cartridge questions.
Pool and Spa Filter Cartridge Details
The MOQ for a regular Filson pool filter cartridge is 50 PCs. In addition, Filson is always ready to fulfill your OEM demanding or free samples request. For each OEM order, Filson can send you processing pictures or videos as producing feedback.
Pool Filter Manufacturers
Filson will provide sturdy packaging for each order. Small quantities order will adopt carbon cases as packing material; large quantities of filters will be packed in wooden cases to avoid damage or deformation during the transportation.
Pool Filter Cartridge A or C B D
If you want more information on Filson pool filter cartridges, please don’t hesitate to contact sales@filsonfilters.com directly with us!
Spa and Hot Tub Filter Cartridge Manufacturer in China
What Size Cartridge Filter Do I Need for My Pool?
The easiest way to choose a pool filter cartridge is to check your filter model number or measure your existing filter/filter pump housing size and compare it with standard models.
If you can not obtain the exact size of your pool filter, picking a larger one is a wise choice to save your maintenance cost and extend the cleaning interval. In contrast, a smaller one may reduce the filtering effect since the extra clearance between housing and filter.
If the pool filter model is unclear as well, you can mail Filson the pool size to get recommending options.
What’s the Difference Between the Type S1 VS VI Filter?
The pool filter cartridge Type S1 is smaller than VI filters about half an inch. The filter requires a good seal inside the filter housing to ensure enough pressure for water passing. Besides, if your pool filter cartridge is inappropriate, it will malfunction since the created extra space.
What’s the Difference Between Type A and C Pool Filters?
The type A and C pleated pool filter is generally provided for A/C compatible pumps as a single model with several universal gaskets to change the fitting size for adapting your filter pump, while Filson pool cartridge can be adapted for both A and C pump fittings generally.
How Can I Choose Pool Filter Cartridges by Size?
If you are looking for a replacement for your existing filter cartridge, just measure the old one and find the same size product from the information below.
If you prefer a replacement cartridge exactly the same as the specific brand, send our engineer team an email with the model name, and then you will get a quick quote.
Model Dimension | Type A/C | Type B | Type D | Type S1 | Type H | Type I | Type II | Type VI | Type VII |
Diameter (cm) | 10 | 14.5 | 9.5 | 10.8 | 9 | 7.8 | 10.4 | 8 | 9.5 |
Length/Height (cm) | 20 | 25.4 | 10.8 | 7.4 | 10 | 8.8 | 13.4 | 10.4 | 10.8 |
ID (cm) | 4 | 4.5 | 5.2 | 4 | 3 | 2.8 | 5.2 | 5.2 | 5.2 |
Standard material | PP cloth | PP cloth | PP cloth | PP cloth | PP cloth | PP cloth | PP cloth | PP cloth | PP cloth |
Tip: models not listed are also available on demand, please consult Filson directly. |
Bonus tip:
Every model of pool filter cartridge should be kept from high chlorine content cleaner, as it will quickly rupture by excessive chlorination. Normal levels of chlorine and bromine disinfection work well and all these PP filter cloths are capable of normal levels as tested.
How Often to Clean the Pool Cartridge Filter?
You can deeply clean your pool cartridge filter every 6 months to maintain filtration efficiency and prevent the inside clogging of the pool filter. Its service life will be affected by the power of your filter, water temperature, and probably if cleaners are used.
Note: If there are trees by the pool or your pool is frequently used, you will find that the pool cartridge filter clogs quickly. So the cleaning cycle does not need to be strictly followed.
How to Clean Pool Filter Cartridges?
For a quick rinse, you can remove your pool filter cartridge and scrub with a cartridge cleaner tool, then wash under a strong water pressure to remove loose particles. Here, the best way to deep clean pool filter cartridge is to dilute pool filter cartridge cleaner with water, and fully submerge the filter in it.
Then let the pool filter cartridge be set for about 24 hours. After that, please rinse the filter with clean water until there is no foam generation. Therefore, the pool filter cartridge will be very clean and won’t generate foam when in use.
How Often to Change Intex Pool Filter?
Generally, Intex filter cartridges are commended to change after 3 to 5 years. But when you find the time interval of cleaning has shortened to half than the past, it’s time to replace.
How Often to Clean Hot Tub Filter?
You can make a deep clean every 6 months to prevent building up and clogging.
How to Clean Hot Tub Filter?
- How to remove the hot tub filter?
Before cleaning, you must need to remove your hot tub filter first.
There will be a large and round/rectangle lid on the top wall of your hot tub, you will find the filter housing on the corner. Then you can see the spa filter is held by the housing in space and assure water flow passes through the filter.
You can move the lid from this housing easily by twisting or lifting the lid up, then take the filter cartridge off softly which is just inside the housing.
- Cleaning methods
The best way to clean a hot tub filter is to dilute the hot tub filter cleaning solution and soak your hot tub filter cartridge in it for about 24 hours. After chemicals work, you may spray and flush the filter thoroughly to remove all substances and residue of the hot tub filter cleaning solution.
How to Clean Lazy Spa Filters?
For the deepest cleaning, you need to submerge every part of your lazy spa filter in the cleaning solution, and it can really clear the inside pores of fiber.
How Much Do Filson Pool Filter Cartridges Cost?
Filson pool filter cartridges are always provided at a competitive price without losing high quality. Please contact us by a call or email with your required filter cartridge model. Of course, a discount is necessary if you purchase in bulk.
Package of Filson Pool Filter Cartridges:
Every single Filson pool filter cartridge will be heat sealed to prevent external contamination or filter cloth damages during shipping.
Filson Pool Filter Cartridge Specifications:
- OD: 7.8cm – 10.8cm
- Length/Height: 7.4cm – 20cm
- Filtration accuracy: ≥5 µm
- Color: blue, gray, white…
- Construction materials: polyethylene terephthalate(PET),
polyurethane(PU), polypropylene(PP)
- MOQ: 50PCs
Note: sizes of Filson pool filter cartridges are fully dependent on your demands, and the number of the pleats is customizable in amazingly 150.
Filson Pool Filter Cartridge Features:
- Effective in protecting the pool from bacteria
- Washable and reusable for longer-lasting time
- High alkalies and acids resistance from PP material
- Cost-effectiveness than the original filter cartridge
- Easy to install and maintain with customized design
Filson Pool Filter Cartridge Applications:
- Swimming pool
- Above ground pool
- Hot tub
- Aquarium
- Fish tank