U.S. Pool Supply Floating Spa, Hot Tub & Small Pool Chlorine and Bromine Chemical Dispenser - Holds 1" Tablets, 13 Flow Level Control Settings Professional Grade Heavy-duty weighted floating spa, hot tub, and small pool chlorine and bromine chemical dispenser. It holds 1" chlorine or bromine tablets. 13 Chemical Flow Control Settings The 13 adjustable chemical flow control settings make it easy to set the dispenser for worry-free balanced chemical delivery. Fill it completely, so you can set it and almost forget it. Just a simple turn adjusts it for more chemical delivery. Great for cold winter water, as it can last for months. Flat Top Weighted Dispenser The dispenser's flat top allows it to lay flat under solar covers, and the weighted screw on bottom cap prevents the dispenser from getting caught in the spa or hot tub filter. U.S. Pool Supply is your online source for professional high-quality, affordable pool cleaning and maintenance supplies, pool accessories, pool recreational activity pool toys, and floats. We offer all the essential items needed to help residential pool owners care for and maintain their pools so that they can eliminate the need for expensive scheduled pool service technicians. Our goal is to provide you the premium products you need to keep your pool clean and ready for use, so you can focus on what's most important, enjoying your pool! Professional Grade: Heavy-duty weighted floating spa, hot tub, and small pool chlorine and bromine chemical dispenser. It holds 1" chlorine or bromine tablets. 13 Control Settings: The 13 adjustable chemical flow control settings make it easy to set the dispenser for worry-free balanced chemical delivery. Longer Time Between Refills: Fill it completely, so you can set it and almost forget it. Just a simple turn adjusts it for more chemical delivery. Great for cold winter water, as it can last for months. Flat Top Weighted Dispenser: The dispenser's flat top allows it to lay flat under solar covers, and the weighted screw on bottom cap prevents the dispenser from getting caught in the spa or hot tub filter. Buy with confidence. If you're not satisfied with this item at any time within one year of purchase, we'll provide a refund or replacement.