Purpose-built 5-gallon water holding tank for RVs, trailers, campers, boats, yachts, and household water storage — provides on-demand drinking water where you need it. Fast filling: a 100 mm large-diameter inlet with a sealed cover allows quick, spill-free refills and helps keep stored water clean. Compact capacity: holds 5 gallons of potable water at once, giving a reliable supply for drinking, cooking, or short-term use without taking excessive space. Leak prevention: square tank design removes welding gaps, creating a tighter seal that reduces the risk of leaks during storage and handling. Easy installation and flexible placement: designed for hassle-free installation so you can position the tank where it best fits your RV, trailer, boat, or home storage area. Durable and practical: robust construction intended for regular use, handling, and transport while maintaining a secure water seal. Compatible and versatile: works with a wide range of mobile and stationary setups — ideal as an auxiliary or replacement freshwater tank. Use scenarios: Weekend camping: fill the tank before departure to supply drinking and cooking water at a campsite without hookups. Boating trips: carry an extra 5-gallon supply of potable water on day cruises or overnight stays. Home emergency storage: keep a ready-to-use container of drinking water for short-term outages or unexpected needs. Key specifications at a glance: Capacity: 5 gallons Inlet diameter: 100 mm with sealed cover Shape: square design to minimize welding gaps and reduce leakage risk Practical, simple, and reliable — a compact freshwater tank solution for mobile and household water storage needs.