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💧 Elevate your hydration game with the ultimate RO expansion tank!
The GTS3 3 Gallon RO Water Filtration Expansion Tank combines compact design with robust steel construction, delivering reliable, on-demand purified water storage. Featuring a universal fit and easy-install 1/4" ball valve, it’s the perfect upgrade for any reverse osmosis system seeking durability and convenience.









| ASIN | B079YZ8THK |
| Best Sellers Rank | #85,835 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #160 in Under-Sink & Countertop Filtration |
| Brand Name | tankRo |
| Capacity | 3 gallons |
| Container Type | Tank |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,398) |
| Included Components | Tank |
| Installation Type | Under Sink |
| Item Dimensions L x W x H | 9"L x 9"W x 14"H |
| Item Weight | 6 pounds |
| LowerTemperature Range | 33 °F |
| Manufacturer | tankRo |
| Material Type | BPA Free |
| Maximum Flow Rate | 0.8 gpm |
| Model Name | GTS3 |
| Model Number | GTS3 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Operating Pressure Range | 5-100 psi |
| Other Special Features of the Product | Durable |
| Part Number | GTS3 |
| Power Source | Adapter |
| Purification Method | Reverse Osmosis |
| Supported Water TDS Level Maximum (PPM) | 2000 |
| UPC | 653590999287 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 100 °F |
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