{"product_id":"fluval-fine-pre-filter-cartridge-g3","title":"Fluval Fine Pre Filter Cartridge G3","description":"\u003cp\u003e\u003cstrong\u003eThe fine pre-filter cartridge is what keeps a Fluval G3's water polish-clear rather than just clean.\u003c\/strong\u003e This 75-micron pleated cartridge fits the Fluval G3 Advanced Filtration System only, and is designed for daily use in marine aquariums with light debris, or as a polishing stage on a freshwater or planted tank.\u003c\/p\u003e\n\u003ch3\u003eWill it fit my filter?\u003c\/h3\u003e\n\u003cp\u003eThis cartridge (Fluval part A417) is sized for the \u003cstrong\u003eFluval G3\u003c\/strong\u003e system only. The larger Fluval G6 uses a different cartridge (Fluval A418, sold separately) — check your filter's model number before ordering, as G3 and G6 media are not interchangeable.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e75-micron pleated mesh\u003c\/strong\u003e — traps fine suspended debris that the standard-stage foam misses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-bypass pleated design\u003c\/strong\u003e — water is forced through the mesh rather than around it, so nothing skips the polishing stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable and reusable\u003c\/strong\u003e — rinse in tap or aquarium water and refit; this isn't a single-use cartridge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose-built for the G3\u003c\/strong\u003e — sized to seat correctly in the G3's media chamber.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eFluval G3 Advanced Filtration System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003eA417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003ctd\u003e75 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eWashable pleated pre-filter cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRinse every 14 days under tap or tank water, or sooner if the G3's low-flow alert appears. Squeeze gently rather than scrubbing, to avoid tearing the pleats.\u003c\/p\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for the Fluval G3 only. Not suitable for the Fluval G6, or for any other Fluval canister filter — fit the standard (non-fine) G3 pre-filter, Fluval A415, instead if you don't need the extra polishing stage.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by Nick's Aquarium Oceanarium Terrarium's standard returns policy in addition to your rights under Australian Consumer Law. Ships from our North Lakes, QLD warehouse.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat's the difference between this and the standard G3 pre-filter?\u003c\/h4\u003e\n\u003cp\u003eThe standard G3 pre-filter (Fluval A415) is the coarser first-stage media. This fine cartridge (A417) sits alongside it for a finer, 75-micron polishing pass — useful for marine tanks or anyone chasing crystal-clear water.\u003c\/p\u003e\n\u003ch4\u003eHow often do I need to replace it?\u003c\/h4\u003e\n\u003cp\u003eYou don't, in the usual sense — it's washable and reusable. Rinse it every 14 days rather than replacing it, and only buy a new one if it tears or the mesh degrades.\u003c\/p\u003e\n\u003ch4\u003eWill this fit my Fluval G6?\u003c\/h4\u003e\n\u003cp\u003eNo. The G6 takes its own fine pre-filter cartridge (Fluval A418), which is a different size.\u003c\/p\u003e\n\u003ch4\u003eCan I use this in a marine tank?\u003c\/h4\u003e\n\u003cp\u003eYes — Fluval designs this cartridge for daily use in marine aquariums with light suspended debris, as well as for polishing freshwater and planted tanks.\u003c\/p\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":55293296836899,"sku":"FG01B","price":45.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/fluval-fine-pre-filter-cartr-46120698249507.webp?v=1790240278","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/fluval-fine-pre-filter-cartridge-g3","provider":"Nicks AOT","version":"1.0","type":"link"}