We keep an extensive range of cartridge filter lids including Davey, Aquaswim, Onga, Quiptron, Spa-Quip, Monarch, P4, Hurlcon, Waterco, Zodiac, Waterlinx, Magnaflow, Emaux plus many more. Also included is the lock rings where applicable.
Diameters shown are measured to underside at the thread or O-ring position.
See below for details.
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![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/2301.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/501.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/527.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/502.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/510.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/2662.jpg?width=180&height=140&etag="ae822ce81d9e703fb93431b96d083639")
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![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/2663.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/2664.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/503.jpg?width=180&height=140&etag="14108f21c4f984975d55c9317d5c181f")
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![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/506.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/526.jpg?width=180&height=140&etag="5b64f020a36d391f430d8dcc780f043b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/1857.jpg?width=180&height=140&etag="54b9aff526e0a70428d420ff5af7ecc7")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/4028.jpg?width=180&height=140&etag="cf0263854f3cc00124830d9d95369ba6")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/514.jpg?width=180&height=140&etag="106428b27900c32587f0a46996863711")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/515.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/2947.jpg?width=180&height=140&etag="72869605c98f2ba34b2e5e7d682f3b6b")
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![](https://d31wxntiwn0x96.cloudfront.net/bknzfa/productimages/3922.jpg?width=180&height=140&etag="be752703b9dd53dfb3dd7e52c959da1f")
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