{ "id": "stainless-steel-basin-pop-up-plug-34-to-40mm", "sku": "stainless-steel-basin-pop-up-plug-34-to-40mm", "title": "Stainless Steel Basin Pop Up Plug with Filter Basket (34 to 40mm)", "slug": "stainless-steel-basin-pop-up-plug-34-to-40mm", "price": 34.99, "currency": "EUR", "availability": "in_stock", "category": "sink-and-bath-plugs", "category_label": "Sink & Bath Plugs", "tags": [], "colors": [], "materials": [], "dimensions": null, "weight": null, "images": [ "https://drains.irish/dropship-images/sink-and-bath-plugs/stainless-steel-basin-pop-up-plug-34-to-40mm/main-stainless-steel-basin-pop-up-plug-34-to-40mm.jpg", "https://drains.irish/dropship-images/sink-and-bath-plugs/stainless-steel-basin-pop-up-plug-34-to-40mm/stainless-steel-basin-pop-up-plug-34-to-40mm-3.jpg", "https://drains.irish/dropship-images/sink-and-bath-plugs/stainless-steel-basin-pop-up-plug-34-to-40mm/stainless-steel-basin-pop-up-plug-34-to-40mm-4.jpg", "https://drains.irish/dropship-images/sink-and-bath-plugs/stainless-steel-basin-pop-up-plug-34-to-40mm/stainless-steel-basin-pop-up-plug-34-to-40mm-5.jpg", "https://drains.irish/dropship-images/sink-and-bath-plugs/stainless-steel-basin-pop-up-plug-34-to-40mm/stainless-steel-basin-pop-up-plug-34-to-40mm-6.jpg", "https://drains.irish/dropship-images/sink-and-bath-plugs/stainless-steel-basin-pop-up-plug-34-to-40mm/stainless-steel-basin-pop-up-plug-34-to-40mm-7.jpg" ], "description_short": "A push type sink plug with a removable filter basket, brass bounce mechanism and two spare silicone O-rings, sized to fit drain holes from 34 to 40mm with no tools needed.", "description": "The small part that causes the biggest annoyance\n\nA basin plug is one of those things nobody thinks about until it fails. Then it becomes the most irritating object in the house. The water drains away while you are shaving. The chain snaps and you are left poking a rubber disc with a fingertip. Or the pop up lever behind the tap loses its grip on the linkage underneath and the stopper sits permanently half open, holding neither water nor your patience.\n\nUnderneath that, a second problem builds quietly. Hair and soap scum slide past the loose stopper and start lining the pipe. Weeks later the basin drains like treacle, and the fix involves a bucket, a towel and unscrewing the trap.\n\nA push type sink plug with a built-in strainer deals with both problems at once. It gives you a clean, reliable seal when you want the basin full, and it puts a basket in the way of everything that would otherwise go down the pipe.\n\nHow a bounce plug works\n\nThe mechanism has been around for years and it is refreshingly simple. Inside the body sits a spring and a cam, usually made of brass because brass does not corrode and holds its shape in constant moisture. Press the top cover and the cam locks the cover down. Press it again and the cam releases, the spring pushes the cover up a few millimetres, and water runs away around the raised rim.\n\nThere is nothing on the outside of the basin. No chain, no knob behind the tap, no rod and linkage hidden under the sink waiting to seize. That matters because the hidden linkage is the usual failure point on an old pop up waste. When it goes, most people end up replacing the entire waste assembly, which means disconnecting the trap and resealing the basin. A drop-in core avoids all of it.\n\nThis particular unit adds a stainless steel filter basket under the cover. So you get two modes from one press. Cover down holds water. Cover up drains water through the basket, which keeps hair and debris out of the pipework.\n\nGetting the size right\n\nThis is the only part worth slowing down for. Drain holes vary, and a plug that is close but not quite right will either sit proud or fail to seal.\n\nThis plug fits drain holes between 34mm and 40mm in diameter. The strainer itself has an inner diameter of 33.5mm, and the unit measures 34mm wide by 50mm high.\n\nTo measure, take the old plug or drainer core out first. A lot of people measure with the old part still in place and get a reading that is a few millimetres off. With the opening clear, lay a ruler or tape across the inside at the widest point and read the number. If it lands anywhere from 34 to 40, you are fine.\n\nAlso glance at the depth. The unit is 50mm tall, so there needs to be that much clear space in the waste below the basin surface. In the vast majority of standard basins there is plenty.\n\nOne more thing. Kitchen sinks often use a much larger waste opening, commonly around 90mm. If you are hoping to use this as a kitchen sink pop up plug, measure first rather than assume.\n\nWho this suits\n\nRenters get a lot out of a drop-in plug. You are not altering the plumbing, you are not drilling anything, and when you move out you can lift it back out and take it with you. Nothing to explain to a landlord.\n\nPeople with long hair in the house are the other obvious group. If you have ever pulled a matted grey rope out of a trap, you know why a basket at the top of the drain is worth having. Catching debris where you can see it beats dealing with it where you cannot.\n\nIt also suits anyone doing a cheap bathroom refresh. New taps and a new plug can lift a tired basin for very little outlay, and a brushed silver cover looks a great deal better than a yellowed rubber stopper on a kinked chain.\n\nWhat to look for in materials\n\nPlenty of cheap stoppers are plastic with a thin chrome coating. They look fine on day one. Six months in, the coating flakes at the edge, the plastic goes chalky, and the seal hardens.\n\nThe things worth checking on any basin waste plug are the mechanism metal, the cover metal and the seal material. Brass for the bounce device is what you want, because it takes the repeated spring load without corroding. Stainless steel for the cover and basket means no rust streaks and a surface that cleans with a cloth. Silicone or good rubber for the seal keeps water where it belongs.\n\nThis plug uses pure brass for the bounce device and stainless steel for the cover and basket, with silicone sealing parts. An anti-slip rubber pad and a rubber ring provide the double seal against the waste. A spare O-ring comes in the box, which is a sensible touch because the seal is always the first component to age.\n\nFitting it\n\nClear the old core out of the waste. Depending on your basin it will either lift straight out or unscrew. Wipe around the inside of the waste with a cloth to lift off any old grease, limescale or sealant residue, because grit under the seal is the single most common cause of a slow seep.\n\nDrop the new plug in and press it down until it seats. Run the tap, fill the basin a little, and watch the water line for a minute. If it holds, you are done. If you see a slow drop, pull the plug, clean both surfaces again and refit. If it still seeps, swap in the spare O-ring.\n\nThe whole job is usually finished in under five minutes.\n\nKeeping it working\n\nThe maintenance routine is short. Lift the basket out every week or two, tip it into the bin and rinse it under the tap. That single habit is what keeps the drain flowing and the plug sealing.\n\nClean the cover with warm soapy water and a soft cloth, then dry it so you do not get water spots. Leave the bleach, scouring powder and steel wool for other jobs, as all three will mark the finish over time.\n\nAvoid pouring strong chemical drain unblockers through it. They attack seals and dull metal. If you are consistently emptying the basket, you should not need them anyway.\n\nIf, after a year or two, the plug starts holding water less reliably, it is almost always the O-ring rather than the mechanism. Pull the plug, fit the spare, and it is back to new.\n\nThe short version\n\nA basin plug does two jobs. It holds water when you want it, and it keeps rubbish out of your pipes. Most old stoppers do the first badly and the second not at all.\n\nA push type plug with a brass bounce device, a stainless steel cover and a removable filter basket handles both. It drops into an existing waste with no tools, which means no plumber and no plumbing work.\n\nMeasure your drain opening first. If it reads between 34mm and 40mm, this one fits. Everything after that is a two-minute swap and a basket you rinse now and then.", "llm_summary": "The stainless steel basin pop up plug is a push type sink stopper designed to replace an existing drainer core in basins, kitchen sinks and bath or shower wastes. It fits drain holes from 34mm to 40mm in diameter, with a strainer inner diameter of 33.5mm, and measures 34mm wide by 50mm high. The bounce device is pure brass, the top cover and removable anti-clog filter basket are stainless steel, and silicone is used for sealing. Pressing the top cover switches between holding water and draining. Installation needs no tools. Each pack contains one plug, one replacement O-ring and one protective cover. Colour is silver. Weight, country of origin and overall packaged dimensions are not specified by the maker.", "returnable": true, "return_policy": "14-day right to cancel from delivery under the Consumer Rights Act 2022, buyer pays return postage; the refund may be reduced if the item has been used beyond normal handling; Consumer Rights Act 2022 rights for faulty goods. Return postage on faulty goods is ours.", "shipping_profile": "standard", "warranty": null, "brand": "Drains Company", "gtin": null, "mpn": null, "condition": "new", "url": "https://drains.irish/stainless-steel-basin-pop-up-plug-34-to-40mm/", "canonical_url": "https://drains.irish/stainless-steel-basin-pop-up-plug-34-to-40mm/", "json_url": "https://drains.irish/api/products/stainless-steel-basin-pop-up-plug-34-to-40mm.json", "updated_at": "2026-10-12" }