This 15-gallon fresh-water tank from Icon provides auxiliary storage or suits small RVs and pop-up campers. The compact 13 × 22 × 13 inch footprint allows placement in cabinets or tight bays, while roto-moulded plastic construction resists cracks and leaks. Adapter fittings are optional for flexible hookup approaches.

• 15-gallon capacity
• Roto-molded one-piece construction
• 13″ × 22″ × 13″ dimensions
• White finish
• Adapter fittings optional
• 1-year warranty