Product Catalog Catalog Wedding Heating/Cooling Patio Heaters View as: Display items as thumbnails Display items as a list Propane Tank Refills Description Propane Tank Refills available. We fill your tank. You will receive a full 20 lb. tank unlike the 3/4 full 15lb. tank. when you exchange your tank. That's 25% more for about the same price. We can also fill larger and smaller portable tanks. Inquire for pricing