{"product_id":"red-sea-overflow-box-cover-single-outlet","title":"Red Sea Overflow Box Cover Single Outlet","description":"\u003cp\u003e\u003cstrong\u003eGenuine Red Sea overflow box cover — single outlet.\u003c\/strong\u003e This factory cover neatens the overflow weir on single-outlet Red Sea REEFER systems, keeping fish, snails and larger debris out of the downpipe. It's a direct-fit replacement, not a universal part — check your model against the fits-list below before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Red Sea part\u003c\/strong\u003e — factory single-outlet overflow box cover, part number R42181.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeeps livestock and debris out of the plumbing\u003c\/strong\u003e — stops fish and snails wandering into the downpipe and blocking flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTidies the overflow's appearance\u003c\/strong\u003e — a clean factory finish over the weir instead of open plumbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-fit replacement\u003c\/strong\u003e — matches the original cover on eligible REEFER systems, no modification needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\n\u003cp\u003eThis cover fits the single-outlet overflow box used across most of the Red Sea REEFER range. It does not fit dual-outlet REEFER models or the MAX series, which use a different overflow box design.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eRed Sea Overflow Box Cover — Single Outlet\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eRED530a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer part number\u003c\/td\u003e\n\u003ctd\u003eR42181\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits\u003c\/td\u003e\n\u003ctd\u003eRed Sea REEFER single-outlet overflow box — see fits-list below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet configuration\u003c\/td\u003e\n\u003ctd\u003eSingle outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility, spares and supersession\u003c\/h3\u003e\n\u003cp\u003eReported by Red Sea REEFER parts retailers as fitting the single-outlet overflow box across these ranges. Confirm your tank's exact model before ordering, since REEFER generations (V3, V3A, G2) can share a cover even where the display size differs.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eREEFER range\u003c\/th\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNano\u003c\/td\u003e\n\u003ctd\u003eREEFER Nano\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompact\u003c\/td\u003e\n\u003ctd\u003eREEFER 170, 170A, 250, 250 V3, 250 V3A, 250 G2, 350, 350 V3, 350 V3A, 350 G2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003eREEFER XL 200, XL 300, XL 425, XL 425 V3, XL 425 V3A, 425 G2, XL 525, XL 525 V3, XL 525 V3A, 525 G2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeninsula\u003c\/td\u003e\n\u003ctd\u003eREEFER Peninsula 500, Peninsula 650, Peninsula 650 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003eREEFER XXL 625, 625 A, 625 G2, XXL 750, 750-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eDoes not fit: dual-outlet REEFER overflow boxes, or any MAX, MAX E, MAX S or MAX Nano system — these use a different overflow box design.\u003c\/p\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable as a genuine replacement where the original single-outlet cover is lost, cracked or discoloured.\u003c\/li\u003e\n\u003cli\u003eNot suitable for dual-outlet REEFER overflow boxes or any MAX-series system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-reefer-skimmer-300-psk600\"\u003eRed Sea Reefer Skimmer 300\u003c\/a\u003e — sits behind the overflow in the sump, downstream of this cover.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eBacked by Red Sea's standard product warranty, in addition to your rights under Australian Consumer Law. Ships as a standard parcel.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eHow do I know if I need the single-outlet or dual-outlet cover?\u003c\/h4\u003e\n\u003cp\u003eCheck the overflow box on your tank — a single-outlet box has one downpipe opening under the cover. If your REEFER has two downpipe openings, this is the wrong part.\u003c\/p\u003e\n\u003ch4\u003eIs this a genuine Red Sea part?\u003c\/h4\u003e\n\u003cp\u003eYes — it's the factory replacement cover, part number R42181, not an aftermarket equivalent.\u003c\/p\u003e\n\u003ch4\u003eDoes this fit MAX or MAX S systems?\u003c\/h4\u003e\n\u003cp\u003eNo. This cover is designed for the REEFER range's overflow box. MAX, MAX E, MAX S and MAX Nano systems use a different overflow design and need their own parts.\u003c\/p\u003e","brand":"RedSea","offers":[{"title":"Default Title","offer_id":54774156656931,"sku":"RED530a","price":36.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/red-sea-overflow-box-cover-s-43876682924323.webp?v=1790239293","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/red-sea-overflow-box-cover-single-outlet","provider":"Nicks AOT","version":"1.0","type":"link"}