British Berkefeld Gravity Filter Hole Plugs (4-Pack)

Need to seal unused filter holes in your British Berkefeld gravity system? These official hole plugs are designed to fit snugly into standard filter ports, allowing you to run your system with fewer filter elements without risking leaks or contamination.

Compatible With:

• British Berkefeld stainless steel gravity systems
• Systems that accept 7/8" stem diameter filters (Ultra Sterasyl, Ultra Fluoride)

Why Use Hole Plugs?

• Allows operation with 2 filters in a 4-filter system
• Prevents unfiltered water from bypassing filters
• Easy to install — no tools required

Product Details:

• Includes: 4 hole plugs
• Material: BPA-free food-grade rubber
• Made by British Berkefeld

Note: These are official manufacturer components and are not compatible with non-standard systems or aftermarket parts.