1) Click the duo chamber into the basket
2) Hang the support on the rim of your toilet
3) Adjust the Bref Duo-Active to the water flow
1) Take out the empty duo chamber from the basket
2) Click the new refill into the basket
Ensure the product is securely attached to the toilet rim. Dispose of the used container in the recycling bin. The product may cause damage or a blockage if flushed.