Product Overview
Polyester fiber filter balls are a lightweight filtration medium used in swimming pools, aquariums, circulating water systems, and selected water-treatment applications.
The reference product uses 100% polyester fiber with an approximate 50mm ball diameter and is available in white, blue, and black. Compared with conventional sand media, fiber balls are substantially lighter to handle, transport, replace, and package.
Actual filtration performance depends on the filter system, water conditions, flow rate, media loading, cleaning method, and product consistency. Final specification and suitability should therefore be confirmed according to the intended application rather than color or appearance alone.
What Buyers Usually Need to Confirm
Before sourcing polyester fiber filter balls, buyers should normally confirm:
- intended application: swimming pool, aquarium, circulating water, or other filtration use
- filter vessel type and existing filtration setup
- required ball diameter and fiber specification
- required quantity of filter media per filter
- expected replacement ratio compared with existing sand media
- filtration and cleaning expectations
- whether the media will be washed and reused
- required color: white, blue, or black
- retail, wholesale, or OEM packaging format
- required bag weight, such as 500g or 700g
- logo, label, and instruction requirements
- required testing or compliance documentation
- destination country and expected order quantity
Typical Specifications
The following specifications are provided as a reference for this polyester fiber filter media. Final values and documentation should be confirmed according to the selected supplier, production batch, packaging, and intended filtration application.
| Diameter | 50mm |
| Material | 100% Polyester Fiber |
| Porosity | 96% |
| Specific Surface Area | 3000 m²/m³ |
| Density | 1.38 g/cm³ |
| Usage | 700g replaces 25kg sand |
| Color Options | White, Blue, Black |
| Packaging | 500g / 700g vacuum bags |
| Certificate | COC, REACH |
Filtration, Cleaning & Sand-Replacement Notes
Fiber filter balls should not be selected only by their stated sand-replacement ratio. Actual filtration performance depends on the filter design, circulation flow, water condition, media loading, fiber consistency, and cleaning method.
The commonly stated reference that approximately 700g of fiber balls can replace 25kg of sand should therefore be treated as a supplier reference rather than a universal performance guarantee. Buyers replacing an existing sand system should confirm the filter size and operating conditions before determining the required media quantity.
Reusable performance is also important for this product category. Fiber resilience, recovery after washing, shape consistency, and contamination retention can affect how well the media performs after repeated use.
Compare Filter Ball Options
Buyers comparing other options may also review our blue swimming pool filter balls for pool-focused applications or black activated carbon filter balls when additional adsorption support is required.
Real Product Testing & Inspection
Product appearance alone does not show how well fiber balls recover after washing or how consistent the material is between samples and production batches.
You can review our Polyester Fiber Balls Performance & Quality Testing for practical product-comparison observations, and our Polyester Fiber Ball Inspection in Zhengzhou for a real example of China-side product checking before shipment.
Send Us Your Requirements
Send us your filtration application, existing filter setup, required media quantity, preferred color and packaging, destination market, and expected order quantity.
JXNUO can help compare suitable China suppliers, check product samples and specifications, review available documentation, coordinate OEM packaging, follow production, arrange pre-shipment inspection, and consolidate the order with other sourced products.
