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By the Joybuy Product Recommendation Officer, July 28, 2026
Clear, clean water is essential for enjoying your above-ground pool to the fullest. The filter pump plays a central role in this, especially the Bestway filter cartridge inside it. Over time, dirt, oils, and micro-particles build up in the filter, reducing the pump's performance and compromising water quality. Regular replacement is therefore essential.
This article serves as a practical guide to help you identify the right replacement filter cartridge for your specific Bestway pump model and make an informed purchasing decision. We'll explore the different types and provide concrete advice on how to choose.
Choosing the correct cartridge is crucial for the performance of your pool pump filter. Consider the following objective criteria to find the right model for your above-ground pool filter.
The most important criterion is compatibility. Bestway offers various filter types designed for different pump models. The type designation (e.g., Bestway Filter Cartridge Type I, Type II, Type III, or Type IV) must exactly match the manufacturer's specifications for your pump. You can usually find this information in your pump's manual or directly on the unit's housing. Compatibility is determined by the pump's flow rate, measured in litres per hour (L/h). An incorrect cartridge can block water flow or significantly reduce filtration performance.
Bestway filter cartridges are typically made of a dense, non-woven polyester fabric or a special spun paper. The material is pleated to create the largest possible surface area for filtration. This design allows it to effectively filter a high volume of debris, leaves, insects, and oils from the water. Look for sturdy end caps to ensure a tight seal within the filter housing.
For consistently high water quality, the manufacturer recommends replacing the filter cartridge every two weeks. With heavy pool use or significant contamination, an earlier change may be necessary. Between replacements, the cartridge should be cleaned weekly. The easiest way to do this is by rinsing it thoroughly with a garden hose. Regular maintenance not only extends the life of the cartridge but also protects the pump. When you buy a filter cartridge, it's a good idea to stock up and keep a small supply on hand.
Here is an overview of common Bestway pool filters, sorted by type. This selection is designed to help you quickly find the right model based on your pump's technical specifications.
What makes it stand out: This compact cartridge is specifically designed for smaller Bestway filter pumps with a lower flow rate. Its polyester fibre fabric construction ensures reliable filtration of basic impurities.
Product Details:
Who it's for: Owners of smaller Bestway above-ground pools who use a filter pump with a capacity of 1,249 litres per hour.
What makes it stand out: The Bestway Filter Cartridge Type II is a popular model for mid-sized pools. Its pleated filter medium, made of spun paper and polyester, offers a large surface area for efficiently capturing dirt particles.
Product Details:
Who it's for: Users with mid-range Bestway filter pumps who need a reliable and easy-to-maintain filtration solution.
What makes it stand out: The Bestway Filter Cartridge Type III (also known as Type A/C) is designed for more powerful pumps and covers a wide capacity range. Its larger size allows for longer maintenance intervals compared to smaller models.
Product Details:
Who it's for: Owners of medium to large above-ground pools whose pumps require a higher flow rate.
What makes it stand out: This model is intended for the most powerful Bestway filter pumps. The Bestway Filter Cartridge Type IV offers maximum filtration capacity for large volumes of water, thanks to its size and high-quality polyester material.
Product Details:
Who it's for: Users with large Bestway pools and their corresponding high-performance pumps who require maximum filtration power.
In addition to pool care products, we also carry a selection of accessories for other areas of your home. For example, if you're looking for practical additions to your kitchen setup, you might be interested in our range of air fryer accessories.
1. How often should you change a Bestway filter cartridge? According to the manufacturer, a replacement is recommended every two weeks. The actual need depends on the intensity of pool use and the level of water contamination. A regular visual inspection will reveal the cartridge's condition.
2. Can you clean a Bestway filter cartridge? Yes, cleaning is possible and recommended weekly. To do so, disconnect the pump from the power supply, remove the cartridge, and rinse it thoroughly with a garden hose. Do not use a pressure washer or chemical cleaning agents, as these can damage the fine filter material.
3. Which Bestway filter do I need for my pool? The required filter cartridge is determined by your filter pump model. Check your pump's manual or the label on the pump housing. There you will find the required type designation (e.g., Type I, II, III, or IV) and the corresponding flow rate in L/h. Selecting the correct type is essential for proper function.