Ensure clean, contaminant-free drinking water with this heavy-duty 6-gallon RO expansion tank featuring FDA-grade food-safe materials. Engineered with a durable Chlorobutyl rubber bladder and a virgin polypropylene liner, it provides reliable, on-demand water pressure for your filtration system.

• Food-Safe Construction: Made with 100% FDA-grade materials and a virgin polypropylene liner to ensure your water remains tasteless, odorless, and free from contaminants.
• High-Durability Design: Features deep-drawn steel domes with precision welding and a polyurethane-coated exterior to resist damage, even in outdoor settings.
• Reliable Pressure Maintenance: Equipped with an airtight, high-grade Chlorobutyl rubber bladder and a sealed brass air nozzle for consistent water pressure.
• Compact & Easy Installation: Designed to fit under most kitchen sinks (17.5 x 12 x 12 in) and includes a free tank ball valve with a 1/4" quick connect design.
• High Capacity: Provides up to 4.4 gallons of on-demand filtered water storage to support your reverse osmosis system.