ROCK Ultra Under-Sink Replacement Filter

Powered by ROCK Ultrafiltration+™ Technology
Advanced protection from PFAS, fluoride, lead, and micro-contaminants.

Description

The ROCK Ultra Replacement Filter delivers professional-grade purification for those who demand the highest water quality in their home.
Powered by ROCK Ultrafiltration+™ Technology, it combines a 0.01-micron ultrafiltration membrane with premium activated carbon and next-generation filter media to remove microscopic contaminants — including lead, chlorine, PFAS (“forever chemicals”), fluoride, and bacteria — while preserving the natural minerals your body needs.

Key Features

🔹 Next-Generation Ultrafiltration+ Protection
Removes impurities down to 0.01 micron, targeting not just visible sediments but micro-pollutants that pass through standard carbon filters — including PFAS, fluoride, and trace heavy metals.

🔹 Certified Purity & Safe Materials
Tested by independent third-party laboratories to ensure consistent removal performance.
Constructed from BPA-free, lead-free, food-grade materials for uncompromised safety from the inside out.

🔹 Long-Life Performance
Each cartridge provides up to 30,000 litres (8,000 gallons) or 12 months of protection, ensuring pure, great-tasting water all year round — at a fraction of bottled-water costs.

🔹 Easy, 3-Second Replacement
The twist-and-lock system allows effortless filter swaps with no tools or plumber required.
Simply twist out the old filter, twist in the new one, and enjoy instant refresh.

🔹 High Flow, Compact Design
Engineered for strong, stable flow with a sleek 9 cm profile that fits neatly under any sink — perfect for kitchens, offices, or compact spaces.

Specification Summary

Why Choose ROCK Ultra

ROCK Ultra is engineered for homes that expect more than clean water — they expect protection.
With Ultrafiltration+™, you remove emerging contaminants like PFAS, fluoride, and lead, delivering crisp, healthy, mineral-balanced water for your family’s everyday life.