Cut out image of GROHE Filter on white backgroundCut out image of GROHE Filter on white background
Cut out image of Grohe Filter in box on white backgroundCut out image of Grohe Filter in box on white background

GROHE Blue 5 Stage Filter for Water Hardness up to 20° dKH, Size M - Model 40430001

Item #320696

Shipping Included

- Capacity up to 1500 L at 20° dKH

Compatible with GROHE Blue Home, GROHE Blue Professional & GROHE Blue Pure

Your estimated delivery time will be 7 business days (excluding weekends and bank holidays) from the time of order. Postcode Restrictions may apply. Find out more in the Delivery & Returns Tab below.

Your credit/debit card will be charged when your order is placed on this item.


Enjoy table-ready filtered drinking water at the turn of your kitchen tap with the medium-sized GROHE Blue filter cartridge. Boasting a capacity of up to 1500 L at 20° dKH. 

Used with the GROHE Blue Home water system, this filter cartridge puts tap water through five filtration stages to remove any undesirable substances, including heavy metals and reducing limescale content, leaving just a great fresh taste.

Replacing the filter cartridge is easy – just unscrew the old filter cartridge and screw in the new one. The convenient way to enjoy pure, delicious drinking water is ready for you on tap.


  • Capacity up to 1500 L at 20° dKH
  • 5-stage filter
  • BWT replacement filter for GROHE Blue
  • Compatible with GROHE Blue Home, GROHE Blue Professional & GROHE Blue Pure

TypeReplacement Filter
DimensionsH 315 x 88 mm
  •  Additional day(s) transit may be required for remote areas.
  •  Public and Regional holidays may affect delivery lead times.
  •  Delivery times may vary in the event of adverse weather conditions.
  •  Please note that we are unable to ship to the Channel Islands, Post Office boxes and BFPO.
  •  Further postcode delivery restrictions might apply to this item.
  •  We are committed to offering the best value to our members, with a satisfaction guarantee on both your membership and merchandise. If you have questions about your membership or products you've purchased at Costco, please contact our Customer Care team.
  •  If you wish to return an item, please view Costco's Return Policy.
  •   Costco Concierge Services | Technical Support
    Free technical support exclusive to Costco members for select electronics and consumer goods.
  •  Items purchased online can be returned at any of our UK warehouses if you are a warehouse member.
  •  Many of our small items can be returned via “My account” on the website and printing a return label. This label must be attached to the box being returned.
  •  Please securely pack the items you intend to return in a box. If you are using the original packaging, be sure to remove the delivery label.
  •  If you need to return a larger item, please contact our Member Care team via the chat function on our website or call 0800 0324 324.
  •  Find out more about our Delivery, Cancellations and Assistance Policy
Compare up to 4 Products

You can only compare up to 4 products at once. Remove one or more products before adding another to compare.