Please Note: These frames have been modified in-house, and have minor cosmetic grind marks. A joy to use! We call this a Gravity BrewSculpture because there are no pumps involved as the flow of liquid is gravity driven all the way into the fermenter. Pros And Cons Versus Other Styles Pros: Ease of use. These system are very simple to operate. A huge benefit of this system is its size. The foot print is 2 ft x 3 ft so it will fit almost anywhere. The height of the Mash Tun (where grain gets stirred in) is low so no ladders or steps are needed. Does not require a pump so you can brew without needing an electrical source. Cons: Not available for a 20 gallon system. Doesn't come with a pump so it isn't ideal for doing recirculation mashes. Does not allow for the control or flexibility the digital packages can offer. Base Dimensions: 54" Tall 25" Deep 36" Long BrewSculpture Includes: Stainless Steel Frame Propane Gas System (Compatible With Low and High Pressure Propane) 15 Gallon Boil Kettle, Mash Tun, and Hot Liquor Tank Gravity Sparge Arm Thermometers For All Kettles These BrewSculptures are not intended for indoor use!