3-PACK CAT LITTER FILTER REPLACEMENT: Includes three premium activated carbon filters providing up to 3 months of continuous odor control with convenient monthly replacements. Specifically engineered for Litter Robot 3 carbon filters box with precise 3.5" x 10" dimensions that eliminate gaps and ensure maximum filtration efficiency. This carbon filter for Litter Robot 3 filter replacement ensures you always have fresh carbon filter on hand while offering great value, with exact sizing. ADVANCED CARBON FILTERS TECHNOLOGY: This carbon filtering for Litter Robot 3 features millions of microscopic pores that create an enormous surface area for trapping and neutralizing gaseous pollutants, ammonia, and persistent litter box odors at the molecular level. It controls stubborn litter box odors, capture and absorb airborne dust particles, litter tracking debris, and other microscopic contaminants for significantly improved indoor air quality. Ideal carbon filter for cat litter boxes. EASY LITTER BOX FILTER INSTALLATION: Each carbon filter provides up to one full month of continuous odor control before requiring replacement, with durable construction and high-capacity activated carbon filter ensuring consistent performance throughout the entire month. No measuring, cutting, or special tools required. Simply remove the old carbon filter and insert the fresh one in seconds for odor control restoration. This carbon filter design can perform maintenance swifly and easily. USA MADE CARBON FILTERS: This Litter Robot filter is manufactured domestically using strict quality control standards and premium materials for reliable performance and consistency you can trust. Crafted from 100% all-natural activated charcoal derived sustainably from coconut shells, peat, and sawdust without any synthetic chemicals or artificial additives. This American-made carbon filter construction with environmentally responsible materials provides superior craftsmanship. NO CHEMICAL CAT LITTER FILTER: Provides highly effective odor neutralization without harsh chemicals, synthetic fragrances, or toxic substances, making it completely safe for cats, other pets, and all family members including children. Non-toxic construction with natural ingredients of this carbon filter ensures complete safety for curious cats and other household pets who may come into contact with the carbon filter, while keeping great odor control performance and makes home fresh and healthy. Keep your home fresh and odor-free with Fresh Headquarters 3-Pack Activated Carbon Filters, specifically designed as premium Litter Robot 3 filter replacements. These pre-cut 3.5" x 10" activated carbon filters provide up to 3 months of odor control with convenient monthly replacements, ensuring filtration efficiency without gaps. Our advanced carbon filter technology features millions of microscopic pores that create an enormous surface area for trapping and neutralizing gaseous pollutants, ammonia, and persistent litter box odors at the molecular level, while also capturing airborne dust particles and litter tracking debris. Installation is effortless - simply remove the old carbon filter and insert the fresh from the box in seconds with no measuring, cutting, or special tools. Each activated carbon filter provides consistent performance throughout the entire month, making maintenance swift and easy. Made in USA using strict quality control standards, these Litter Robot filters are crafted from 100% all-natural activated charcoal derived sustainably from coconut shells, peat, and sawdust. This chemical-free cat litter filter provides highly effective odor neutralization without harsh chemicals, making it completely safe for cats, other pets, and all family members including children. The non-toxic construction with natural ingredients ensures complete safety for curious pets while delivering superior odor control performance that keeps your home fresh and healthy.