Odor-Free Living – Carbon filters compatible with Litter-Robot 4 utilize activated carbon’s natural absorption to eliminate odors and help maintain a fresh home environment. Precision Fit – Designed for seamless installation, these filter replacements fit securely into the Litter-Robot 4, preventing leakage and making maintenance quick and easy. Advanced Odor Neutralization – Each charcoal filter contains dense, odor-absorbing particles to maximize freshness throughout your space. Long-Lasting Freshness – These charcoal filters effectively trap odors, helping maintain a consistently pleasant environment and reducing the frequency of replacements. Optimized for Pet Health – Made with safe, non-toxic materials, these filters help purify the air in your pet’s environment. Color: Black Material: Sponge Size: Thickness: 10 mm Package Contents: 6 × Filter Replacements Note: Color may vary slightly due to screen settings and lighting. Measurements may vary by ±1–3 cm.