Ensure a consistent supply of pure drinking water with this heavy-duty 40-gallon RO expansion tank. Built with food-grade materials and a durable Chlorobutyl rubber bladder, it provides reliable, contaminant-free water storage for your reverse osmosis system.

• High-Capacity Storage: This 40-gallon tank provides up to 22 gallons of on-demand filtered water for your reverse osmosis system.
• Food-Safe Construction: Made with 100% FDA-grade, food-safe materials and a Virgin Polypropylene liner to ensure water remains tasteless, odorless, and contaminant-free.
• Extreme Durability: Features deep-drawn steel domes with precision welding and a polyurethane-coated finish to resist damage, even in outdoor environments.
• Reliable Pressure Maintenance: Equipped with an airtight, high-grade Chlorobutyl rubber bladder and a sealed brass air nozzle for consistent water pressure.
• Easy Installation: Includes a free tank ball valve with a 1" quick-connect design for seamless setup and replacement.