These Pure Copper Shirodhara Pots With Control Valve are designed by us in such a way that they give a constant flow at desired speed and keep the Shirodhara Oil warm for a longer period of time as compared to other pots that have large orifices. We have been manufacturing these pots for over a decade and have perfected the design and make of these pots for their use in Shirodhara / Panchkarma These pots are fitted with a brass control valve that is infinitely adjustable so that you can adjust the flow of oil as per your preference. These Control Valves are permanently WELDED to the pot NOT SOLDERED that increases the durability of the pot and ensures a long trouble free life for the Shirodhara Pot. These Pots comes in 4 different Sizes. We recommend that you order one size larger than you think you need so that you do not have to buy another one soon to upgrade. Extra Large Size can hold about 144 Oz. Oil (4.25 Liters) Large Size Pot can hold about 80 Oz. Oil (2.5 liters) Medium Size Pot can hold about 40 Oz. Oil (1.25 Liters) Small Size Pot can hold about 33 Oz Oil. (1 Liter) All pots come with Brass Chain to hang the pot to the Shirodhara Stand. Stainless Steel Shirodhara is also available to purchase separately in our Etsy Shop. All pots are engraved with our Brand "American Ayurveda" assuring that all our pots meet our level of quality and assurance of quality. We Guarantee the quality of our pots unconditionally and are sure that you will be in love with these pots. If for any reason you do not LOVE these Shirodhara pots we will happily refund your 100% of your purchase price back. No questions asked.