Whether living off-grid, RVing the countryside, or prepping for an emergency, the heavy-duty Reliance Aqua-Stack is up for the challenge. Uses a standard 70mm wide-mouth cap compatible with other Reliance® water containers like Aqua-Tainer®• 5 Gal / 20 L capacity• Interlocking ridges for improved stacking stability• Stack up to three high when filled• Hideaway spigot• Premium vent• Food safe: FDA approved and BPA-freeDimensions: Length (inches): 13.8 Width: 10 Height: 12.1Weight: 2.4 lbs | Reliance Aqua Stack 5G Water Container