Empty Refillable Cartridge 20" x 4.5" White Copper3077 even if you haven't hit

even if you haven't hit the 6-month mark—premature replacement beats a ruptured filter

Factory-spec component ensures compatibility and warranty compliance

Monitor taste changes as indicator for replacement

This reduces wear on the rubber seal and extends the valve's service life

Empty Refillable Cartridge 20" x 4.5" White Copper3077 even if you haven't hitWatts RC C BB 20 50 Empty Refillable Cartridge 20" x 4. 5" White Reusable canister for custom media applications in Big Blue housing systems Refillable 50 Micron Foam Pad 155 Cubic Inches WHY IT WORKS Fill It With What You Need Reusable Design Refill and reuse instead of replacing. The Watts RC C BB 20 50 accepts any granular or specialty media you need for custom filtration applications. Big Blue Standard Fits all standard 20" x 4. 5" Big Blue