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Type VI filter cartridge next to a UK note listing Bestway 58323 and 58477 filter codes

Bestway 58323 Filter Uk

In UK retail, Bestway 58323 and 58477-style codes commonly point to Size/Type VI Lay-Z-Spa filter cartridges. Treat those numbers as cross-reference clues, then still measure the cartridge in your housing before you buy.

The problem with code-only shopping

Shoppers search one code, land on another pack SKU (for example BW60311-style official VI language), and either abandon the basket or buy the wrong type. Codes help; they do not replace a size check.

Solution path

  1. Map the code on the old box, manual or cartridge sleeve.
  2. Confirm the Size/Type VI class with diameter and height.
  3. Check model exceptions (including Monte Carlo on official VI pages).
  4. Choose pack quantity for your season.

Code reference table

Code / labelWhat UK retail usually signalsStill verify
58323Often titled with Lay-Z-Spa Size VI and ~10.6 cm × 8 cm stylingPhysical dimensions and housing fit
58477Indexed as Flowclear Lay-Z-Spa Size VI packsSame size-class measurement
BW60311 / official VI 2-pack languageOfficial VI cartridge merchandisingModel exceptions and warranty policy text
Older 58239 mentionsSometimes noted as earlier related filters in specialist copyDo not assume year-to-year 1:1 equivalence without measuring

A B&Q UK Bestway 58323 Size VI 4-pack puts 10.6 cm × 8 cm in the title. Kelkoo UK 58477 Size VI indexing shows the same size class in price comparison. Specialist copy for Bestway 58323 Type VI at Splash and Relax describes replacement use on Miami, Vegas, Palm Springs and Monaco and notes compatibility with earlier 58239 filters—still measure before you rely on that cross-reference.

Who should not rely on codes alone

Buyers without old packaging who skip physical measurement. Part numbers and retail SKUs are not always 1:1 across years.

Need the measuring steps? Use the Type VI size check. Matching Miami/Vegas/Monaco? Open the compatibility checklist. Pool owners should also read pool replacement filter basics so they do not force a spa code onto a pool pump.

Next action

Add both the numeric code and the words “Type VI” to your saved shopping note, then confirm dimensions before checkout.

Sources and Further Reading