{"product_id":"red-sea-reefer-225-micron-felt-filter-bag-100mm-260mm","title":"Red Sea Reefer 225 Micron Felt Filter Bag 100mm\/260mm","description":"\u003cp\u003e\u003cstrong\u003eTraps fine detritus before it clouds your sump water.\u003c\/strong\u003e This genuine Red Sea 225-micron felt filter bag (100 mm ring, 260 mm length) is sized for Red Sea's standard 4\"\/10 cm filter bag holder, fitted across the REEFER and MAX-S ranges. The felt weave holds more debris between cleans than an equivalent mesh bag at the same micron rating.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e225-micron felt construction\u003c\/strong\u003e — Red Sea's own mid-weight option, built for regular day-to-day use with a longer run between cleans than their thin-mesh bags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 100 mm\/260 mm sizing\u003c\/strong\u003e — fits any standard 4\"\/10 cm filter bag holder, including REEFER and MAX-S sumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable\u003c\/strong\u003e — hose off trapped detritus, or soak in a diluted bleach or vinegar solution for 24 hours for a deeper clean.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRed Sea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eFelt filter bag (mechanical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron rating\u003c\/td\u003e\n\u003ctd\u003e225 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e100 mm ring, 260 mm length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOur SKU\u003c\/td\u003e\n\u003ctd\u003eRED519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits\u003c\/td\u003e\n\u003ctd\u003eRed Sea REEFER and MAX-S ranges; any standard 4\"\/10 cm filter bag holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\u003cp\u003eYes, if your sump uses Red Sea's standard 100 mm (4\") filter bag holder — this covers the REEFER and MAX-S ranges. If you're not sure which holder size your sump uses, measure the ring diameter of your existing filter sock before ordering.\u003c\/p\u003e\u003ch3\u003eWhich micron rating do I need?\u003c\/h3\u003e\u003cp\u003eRed Sea sells this bag in three finishes at the same 100 mm\/260 mm size. Felt bags hold more debris between cleans; mesh bags are easier to rinse clean but need changing more often.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBag\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 micron felt\u003c\/td\u003e\n\u003ctd\u003eFine polishing on a mature, low-particulate tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e225 micron felt (this bag)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRegular day-to-day use — the longest run between cleans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e225 micron thin-mesh\u003c\/td\u003e\n\u003ctd\u003eNew setups or after heavy maintenance, when there's a lot of particulate to catch and rinse out often\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e REEFER and MAX-S sumps, and any other system using a standard 100 mm\/4\" filter bag holder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e sumps or canister filters using a different holder size — check your ring diameter first.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eRinse or hose off trapped detritus regularly — waste left sitting in the flow leaches nutrients straight back into the water. For a deeper clean, soak in a diluted bleach or vinegar solution for 24 hours, then rinse thoroughly before refitting. Red Sea recommends keeping at least three bags in rotation so a clean one is always ready.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Red Sea's standard manufacturer warranty against manufacturing defects, in addition to your rights under the Australian Consumer Law. Ships standard.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eHow often should I change the bag?\u003c\/h4\u003e\u003cp\u003eRed Sea doesn't publish a fixed interval — rinse or swap it whenever flow through the bag visibly slows, or on your usual maintenance day.\u003c\/p\u003e\u003ch4\u003eCan I bleach it to clean it?\u003c\/h4\u003e\u003cp\u003eYes — a diluted bleach or vinegar soak for 24 hours followed by a thorough rinse is Red Sea's own recommended deep-clean method.\u003c\/p\u003e\u003ch4\u003eWhat's the difference between felt and mesh?\u003c\/h4\u003e\u003cp\u003eFelt holds more debris before it needs cleaning; thin-mesh is easier to rinse but clogs and needs attention sooner.\u003c\/p\u003e\u003ch4\u003eWill this fit my canister filter?\u003c\/h4\u003e\u003cp\u003eOnly if it uses a standard 100 mm\/4\" filter bag holder — most canister filters use their own proprietary media baskets instead.\u003c\/p\u003e","brand":"RedSea","offers":[{"title":"Default Title","offer_id":54774155870499,"sku":"RED519","price":18.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/red-sea-reefer-225-micron-fe-43876676108579.webp?v=1790239001","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/red-sea-reefer-225-micron-felt-filter-bag-100mm-260mm","provider":"Nicks AOT","version":"1.0","type":"link"}