Explore a selection of large LP tanks and SmartLids at F.W. Webb. A large LP tank holds enough propane to power a home heating unit, generator, or pool; these versatile propane cylinders can be used in various applications, making them ideal for residential or commercial use. A large propane tank with SmartLid technology offers hassle-free installation, easy monitoring, and efficient data transmission to keep your machinery operating at optimum performance. SmartLids are designed to fit most manufacturers' propane tanks ranging from 200–420 pounds; opt for a SmartLid with a monitor to keep a close eye on the unit from a distance and reduce service calls. Browse the large LP tanks and SmartLids in our collection and find the right cylinders and accessories for your needs.