Specifications
Fits500ml, 750ml, 1000ml
BrandBlockhütte
Variants3

A bottle cleaning brush with natural bristles, sized for stainless steel water bottles. It is the same brush that comes in the box with the Blockhütte water bottle. This page is where you buy it on its own: as a spare part, or as a second brush for the kitchen drawer.

It comes in three sizes, one for each bottle: 500, 750 and 1000 ml. Choose the size that matches your bottle, and the brush fits the bottle it has to clean. Lukewarm water and a little washing up liquid are all it needs, and our cleaning guide is relaxed about the choice: any washing up liquid will do.

A sponge stops at the neck of a narrow bottle, which is why the brush is in the box with our bottles in the first place. The full routine, from the daily rinse to smells and stubborn marks, is in our guide on how to clean a stainless steel water bottle.

We deliver to the United Kingdom and Ireland — tracked, from our warehouse in Hamburg.

🇬🇧 United Kingdom

  • Shipping: £4.49 — free on orders over £49
  • Delivery: 3 working days to England and Wales, 3 to 6 to Scotland and Northern Ireland. Remote postcodes and the islands can add a day or two.
  • Carrier: Parcelforce Tracked

🇮🇪 Ireland

  • Shipping: €4.99 — free on orders over €59
  • Delivery: 4 working days

Order by 11am UK time on a working day and your parcel leaves the same day — engraved or not. After that, the next working day. There are no deliveries on Sundays or bank holidays.

In a hurry? DHL Express Tracked is available at checkout.

The price displayed includes VAT. No customs fees or duties on delivery — whatever your order value, we have already handled them.

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Made to fit

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A worn part should not cost you the product

The throwaway industry earns when things end up in the bin. We earn when nothing does. That is why a Blockhütte product comes apart: lid, seal, divider, clasp, stopper, brush, pouch, even the body. Every one of them has its own page in this shop. When a seal gives up after a few years, you buy a seal, not a new box.

All spare parts

Check which product the part belongs to

The size option on this page names the product the part fits, not the size of the part itself. Match it to the item you already own: the volume printed on your bottle, flask or box. Where one part covers two sizes, the option says so, and where a size needs its own part, it is listed on its own.

The same part that shipped in the box

This is not a generic replacement. It is the part we build into the product, to the same specification: 18/8 stainless steel where the part is steel, food-grade silicone where it seals, 100% cotton where it carries, natural bristle where it cleans. Nothing that touches food is coated, and nothing is a lesser version because it is sold on its own.

Delivery, and what a small order costs

Order by 11am UK time on a working day and your parcel leaves the same day, packed by the founders. Delivery is £4.49 and free on orders over £49, so a single seal is often worth adding to a larger order. The price you see is the price you pay: VAT included, no customs charges on delivery.

Repair is the point, not a feature

Since 2021, every Blockhütte product has contributed to climate protection through our partnership with ClimatePartner. A spare part is the most direct form of that: the piece that keeps a product in service instead of replacing it. Your order ships in a fully recyclable, plastic-free cardboard box, and every product we make carries a 3-year guarantee.

Good to know about spare parts

Which part usually goes first, and when to replace it

The seal, almost always, because it is the only part that stays wet. Lift the silicone ring out when you deep clean, wash it in warm soapy water, dry it and dry the groove it sits in, then refit it. Replace it when it no longer sits flush, when the lid starts to let liquid past, or when a smell survives a proper wash.

Brushes go when the bristles splay out and stop reaching the base. Cotton pouches are hand wash only, warm water at about 30 °C. Everything made of steel outlasts all of it: 18/8 stainless steel is non-porous, so it takes on neither smell nor taste.

Every part on its own, on purpose

Lids, seals, dividers, clasps, stoppers, brushes, pouches, even the bottle body: each one is in the shop as its own article. That is a design decision, not a service afterthought. A product that cannot be taken apart cannot be repaired, and a product that cannot be repaired has an expiry date.

A spare seal is already in the box when your product arrives, and so is a 100% cotton pouch. The food flask additionally ships with a spare stopper set. What you buy on this page is the next one.

Guides for this product

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