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<!-- AI-Optimized Sitemap with content summaries for LLMs -->
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    <loc>https://sparepla.co.uk/</loc>
    <lastmod>2026-09-27</lastmod>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
    <ai:summary>Buy a hot tub filter cartridge 2 pack compatible with FD2007, PWW50L, 4CH-949 and FC-0172. Clearer spa water starts here. Order now.</ai:summary>
    <ai:content_type>homepage</ai:content_type>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/the-ultimate-guide-to-pww50l-filter-in-the-uk/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>Need a PWW50L filter replacement UK homeowners can fit between soaks? How cross-refs, 2-pack spares and cloudy-water timing decide whether you order tonight.</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>PWW50L Filter Replacement UK | Sparepla Hot Tub Guide</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/4ch-949-filter-explained-a-uk-buyers-guide/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>Checking 4CH-949 filter compatibility UK listings against FD2007 / PWW50L / FC-0172 codes? What to compare on end caps so the cartridge seats without a returns saga.</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>4CH-949 Filter Compatibility UK | Sparepla Cross-Reference</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/fc-0172-filter-explained-a-uk-buyers-guide/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>Shopping an inflatable spa filter UK families can swap mid-season? Confirm size against your old cartridge—brand stickers alone do not guarantee Lay-Z-Spa style fit.</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>Inflatable Spa Filter UK for Lay-Z-Spa Style Tubs | Sparepla</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/fd2007-filter-explained-a-uk-buyers-guide/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>Need a hot tub filter for holiday let UK changeovers? Why a 2-pack spare on the shelf protects reviews when guests overlap and water must look right on arrival.</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>Hot Tub Filter for Holiday Let UK Turnovers | Sparepla</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/how-often-to-change-hot-tub-filter-uk/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>UK change intervals by home use, heavy use and holiday-let load-not a one-date rule</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>How Often To Change Hot Tub Filter UK</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/how-to-measure-hot-tub-filter-uk/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>Measure length, diameter and end-cap style before you order a UK replacement</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>How To Measure Hot Tub Filter UK</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/cloudy-hot-tub-water-filter-checklist-uk/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>UK cloudy-water checklist: clean or replace the filter before you over-dose chemicals</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>Cloudy Hot Tub Water Filter UK</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/hot-tub-filter-2-pack-vs-single-uk/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>When a UK 2-pack beats a single cartridge for wash-and-wear rotation</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>Hot Tub Filter 2 Pack Vs Single UK</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/long-vs-short-spa-filter-cartridge-uk/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>375mm vs 275mm spa cartridges: pick height from your housing, not from a vague &amp;#x27;universal&amp;#x27; label</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>Long Vs Short Spa Filter Cartridge UK</ai:headline>
    <ai:language>en-GB</ai:language>
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  <url>
    <loc>https://sparepla.co.uk/blog/clean-or-replace-hot-tub-filter-uk/</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <ai:summary>Clean first or bin it? A UK decision tree for tired spa cartridges</ai:summary>
    <ai:content_type>article</ai:content_type>
    <ai:entity_type>Article</ai:entity_type>
    <ai:headline>Clean Or Replace Hot Tub Filter UK</ai:headline>
    <ai:language>en-GB</ai:language>
  </url>
  <url>
    <loc>https://sparepla.co.uk/llms.txt</loc>
    <ai:summary>Machine-readable reference file for AI language models</ai:summary>
    <ai:content_type>reference</ai:content_type>
  </url>
  <url>
    <loc>https://sparepla.co.uk/api/site.json</loc>
    <ai:summary>Structured JSON-LD API with full product and article data</ai:summary>
    <ai:content_type>api</ai:content_type>
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