{"product_id":"red-sea-reefer-100-micron-felt-fine-polish-filter-bag-100mm-260mm","title":"Red Sea Reefer 100 Micron Felt Fine Polish Filter Bag 100mm\/260mm","description":"\u003cp\u003e\u003cstrong\u003ePolishes reef water to a genuine, lasting sparkle.\u003c\/strong\u003e This Red Sea 100-micron felt filter bag is the fine \"polishing\" sock for mature systems that are already running clear — it catches what a coarser bag lets straight through. Built to the standard 4\"\/10 cm ring, it drops straight into a REEFER or MAX-S sump without modification.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100-micron felt media\u003c\/strong\u003e — fine enough to polish water that's already low in particulate, where a 225-micron bag lets fine haze through.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 4\"\/10 cm holder fit\u003c\/strong\u003e — the ring size used across Red Sea's REEFER and MAX-S filter sock holders, no adapter needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine-washable felt\u003c\/strong\u003e — rinse and reuse for several cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart of a three-bag family\u003c\/strong\u003e — also available in 225-micron felt and 225-micron thin-mesh, so the grade matches the job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMicron rating\u003c\/th\u003e\n\u003ctd\u003e100 micron (felt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRing diameter\u003c\/th\u003e\n\u003ctd\u003e100 mm (4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBag length\u003c\/th\u003e\n\u003ctd\u003e260 mm (10.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eFelt (polishing grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eStandard 4\"\/10 cm Red Sea filter bag holder — REEFER and MAX-S systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReuse\u003c\/th\u003e\n\u003ctd\u003eMachine-washable, multiple cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRed Sea reference\u003c\/th\u003e\n\u003ctd\u003eRED519c (barcode 7290100779743)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\n\u003cp\u003eIf your sump uses Red Sea's standard 4\"\/10 cm filter bag holder — fitted to REEFER and MAX-S sumps — this bag drops straight in. Check your holder against the 100 mm\/260 mm measurement, since holder size hasn't been confirmed on every Red Sea line.\u003c\/p\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e REEFER and MAX-S sumps at the polishing stage — water that's already clear and just needs the last haze pulled out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e new setups or heavy post-maintenance cloudiness, where the fine weave clogs fast — use a 225-micron felt or thin-mesh bag instead.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRinse as soon as it's pulled, before debris dries into the felt, and machine-wash cold without fabric softener. Replace once it stays grey after washing or the weave frays.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e225 Micron Felt Filter Bag\u003c\/strong\u003e — the everyday-use grade between big cleans.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e225 Micron Thin-Mesh Filter Bag\u003c\/strong\u003e — for new setups and the days after heavy maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered against manufacturing defects in addition to your rights under Australian Consumer Law. Standard freight — small and lightweight, no special handling.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWill this fit my MAX Nano or MAX E system?\u003c\/h4\u003e\n\u003cp\u003eRed Sea specifies this bag for REEFER and MAX-S, which share the 4\"\/10 cm holder. We haven't confirmed the holder size on MAX Nano or MAX E — check your holder's ring diameter against 100 mm before ordering.\u003c\/p\u003e\n\u003ch4\u003eHow is 100 micron different from 225 micron?\u003c\/h4\u003e\n\u003cp\u003eThe number is the particle size the felt catches, in microns — lower means finer. 100 micron is the polishing grade for water that's already clear; 225 micron suits everyday use or heavier debris.\u003c\/p\u003e","brand":"RedSea","offers":[{"title":"Default Title","offer_id":54774155968803,"sku":"RED519c","price":18.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/9f2f8310eef95790d15ee6683b9e6ca0dc19f9ce.jpg?v=1782108751","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/red-sea-reefer-100-micron-felt-fine-polish-filter-bag-100mm-260mm","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}