These Berkefeld Stainless System Blocking Plugs are compatible only with British Berkefeld Stainless Steel Gravity systems. They’re designed to block any unused filter holes to keep the system working effectively. Follow the instructions closely to ensure a fully waterproof grommet seal.
- A pack of four blanking seals
- Designed to block unused filter holes in the British Berkefeld® Gravity Water Filter System
- Replacement for the original fitted grommet seal in case of loss or damage
- BPA-Free