{"product_id":"stainless-steel-lily-pipes-with-surface-skimmer-for-external-canister-filters-12-16-mm-or-16-22-mm","title":"Stainless Steel Lily Pipes with Surface Skimmer (12\/16 mm or 16\/22 mm)","description":"\u003cp dir=\"ltr\"\u003eFed up with an oily film clouding your tank’s surface, or nervous every time you handle fragile glass lily pipes? Then you need the Castle Dawn Aquatics Stainless Steel Lily Pipes with Skimmer! These stainless steel inflow and outflow pipes are made for external canister filters on freshwater and planted aquariums, and they will not crack or shatter like glass when you scrub your hoses or service your filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003ePlus, the built-in surface skimmer pulls oily film, dust and organic scum from the surface, helping light and gas exchange reach your tank, while the lower intake slots draw water from below. Get the size right for your hose, and you have a clean, sleek, easy-to-maintain filter setup that makes your aquascape look as good as it is to look after.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e1 × Stainless Steel Inflow Pipe with Surface Skimmer\u003c\/li\u003e\n\u003cli\u003e1 × Stainless Steel Outflow Pipe\u003c\/li\u003e\n\u003cli\u003eClear mounting clips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e\u003cbr\u003eChoose by your filter hose inner diameter:\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e12 mm set: for 12\/16 mm hose (1\/2 inch ID). Pipe outer diameter: 13 mm (0.51 inches).\u003c\/li\u003e\n\u003cli\u003e16 mm set: for 16\/22 mm hose (5\/8 inch ID). Pipe outer diameter: 17 mm (0.67 inches).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e12 mm set dimensions:\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eOutflow pipe: 4.5 cm (1.77 inches) wide, short leg 10 cm (3.94 inches), long leg 20 cm (7.87 inches)\u003c\/li\u003e\n\u003cli\u003eInflow pipe with skimmer: 4.5 cm (1.77 inches) wide, short leg 20 cm (7.87 inches), overall height 30 cm (11.81 inches), slotted intake section 20 cm (7.87 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e16 mm set dimensions:\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eOutflow pipe: 6.5 cm (2.56 inches) wide, short leg 15 cm (5.91 inches), long leg 25 cm (9.84 inches)\u003c\/li\u003e\n\u003cli\u003eInflow pipe with skimmer: 6.5 cm (2.56 inches) wide, short leg 25 cm (9.84 inches), overall height 34 cm (13.39 inches), slotted intake section 20 cm (7.87 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eFreshwater and planted aquariums\u003c\/li\u003e\n\u003cli\u003eExternal canister filters\u003c\/li\u003e\n\u003cli\u003eAquascapers who want a sleek metal look instead of glass\u003c\/li\u003e\n\u003cli\u003eTanks that suffer from oily surface film\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHose fit: 12\/16 mm (1\/2 inch ID) or 16\/22 mm (5\/8 inch ID) tubing\u003c\/li\u003e\n\u003cli\u003eIntegrated surface skimmer: removes oily surface film, dust and organic scum to support light penetration and gas exchange across the water surface.\u003c\/li\u003e\n\u003cli\u003eStainless steel construction: durable, rust-resistant and built for continuous exposure to water and routine cleaning.\u003c\/li\u003e\n\u003cli\u003eShatterproof: takes the stress out of hose scrubbing and filter maintenance compared with fragile glass lily pipes.\u003c\/li\u003e\n\u003cli\u003ePrecision-cut inflow slots: provide strong suction and help keep small fish, dwarf shrimp and snails out of your filter.\u003c\/li\u003e\n\u003cli\u003eAdjustable intake flow: fine-tune the suction balance between the surface skimmer and the lower intake slots.\u003c\/li\u003e\n\u003cli\u003eCurved outflow pipe: directs water across the tank to help with circulation, CO2 distribution, nutrient delivery and surface aeration.\u003c\/li\u003e\n\u003cli\u003eTwo adjustment styles: adjust underwater from the bottom, or adjust from above with a rod, so you don't need to put your hand in the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCompatibility \u0026amp; Limitations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eDesigned for external canister filters on freshwater and planted aquariums.\u003c\/li\u003e\n\u003cli\u003eAlways check your filter hose inner diameter before choosing the 12 mm or 16 mm set.\u003c\/li\u003e\n\u003cli\u003ePrefer a standard setup without surface skimming? Choose our standard Stainless Steel Lily Pipes for a classic inflow and outflow set-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eHow to Use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eMount the pipes in your tank with the clear clips.\u003c\/li\u003e\n\u003cli\u003eConnect the pipes to your canister filter hoses.\u003c\/li\u003e\n\u003cli\u003eBalance the flow between the surface skimmer and the lower intake slots. With the underwater-adjust version, turn the bottom adjustment valve on the lower inflow pipe. With the top-adjust version, use the rod from above.\u003c\/li\u003e\n\u003cli\u003eClosing the lower intake slightly increases skimming power, which helps pull down heavier biofilm layers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCare:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eDisconnect the pipes from your filter hose during routine maintenance and run a flexible double-ended spring brush through the inside.\u003c\/li\u003e\n\u003cli\u003eLift off the skimmer cup to rinse out trapped plant leaves or debris.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eQuick Answers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does the surface skimmer work?\u003c\/strong\u003e The acrylic skimmer cup sits at the water surface, and the suction from your canister filter pulls surface water, biofilm and floating debris down through the pipe, while the lower slots draw water from the bottom of the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow do I balance the flow between the skimmer and the bottom intake?\u003c\/strong\u003e Adjust the bottom valve, or the top rod on the top-adjust version. Closing the lower intake slightly increases skimming power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich size do I need? \u003c\/strong\u003eThe 12 mm set fits 12\/16 mm (1\/2 inch ID) hose, and the 16 mm set fits 16\/22 mm (5\/8 inch ID) hose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre these suitable for planted tanks? \u003c\/strong\u003eYes, they are freshwater and safe for planted tanks.\u003c\/li\u003e\n\u003cli\u003eHow do I clean them? Disconnect the pipes during maintenance and clean the inside with a flexible double-ended spring brush.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"12 mm set: for 12\/16 mm hose (1\/2 inch ID). Pipe outer diameter: 13 mm (0.51 inches)","offer_id":67841115259161,"sku":"2027FIL01","price":39.99,"currency_code":"USD","in_stock":true},{"title":"16 mm set: for 16\/22 mm hose (5\/8 inch ID). Pipe outer diameter: 17 mm (0.67 inches)","offer_id":67841115291929,"sku":"2027FIL02","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/Castle_Dawn_Aquatics_Stainless_Steel_16mm_Lilly_Pipe_With_Skimmer_High_Quailty_Main.png?v=1792321969","url":"https:\/\/www.castledawnaquatics.com\/products\/stainless-steel-lily-pipes-with-surface-skimmer-for-external-canister-filters-12-16-mm-or-16-22-mm","provider":"Castle Dawn Aquatics","version":"1.0","type":"link"}