Versatile Application: Perfect for Homes, Apartments, Farms, Cottages, RVs, Boilers, Pre-RO Filtration, Wells, Restaurants, Swimming Pools, Spas, and Aquariums. CTO Carbon Block Compatible: Fits standard 10" x 2.5" CTO Carbon Block Filters, effectively removing small particles, 100% of chlorine from water, effective odor. Clear Durable Housing: Transparent design lets you easily monitor filter condition and know exactly when it’s time for replacement. Included Plastic Wrench: Makes unscrewing the housing quick and easy while preventing cracks and damage during maintenance. Standard Size & Reliable Build: Features a 10" standard whole house filter housing that supports most standard water filters, ensuring broad compatibility and long-lasting performance. Max Water Whole House Water Filter Housing, 1 Stage 10 inch Housing for Under Sink Reverse Osmosis Water Filtration System, with CTO Carbon Filters Pre Aquarium Boiler RO Odor - Reducer