Keep your H2O HD® Steam Cleaner in perfect working order by eliminating limescale build-up with the H2O HD® Limescale Cleaning Pin. Essential for maintenance, this pin helps maintain full steam power and extends the life of your cleaner, ensuring hassle-free operation. Includes: 1 x H2O HD® Limescale Cleaning Pin. Always buy genuine H2O HD® replacement parts to protect your investment.