1.Suitable for 1.5inch chlorine tablet. 2.This dispenser works for in ground pools, massage bathtub, hot tubs, above ground pools, and spas. 3.Never worry about chlorine levels in your swimming pool or spa again. 4.Built-in thermometer reads temps in both F and C. Lid twists and securely locks. 5.Made of premium material, which is sturdy and durable. Soap Dispensers Floating Swimming Pool Chlorine Dispenser with Thermometer Tablet Soap Dispenser Pump Shower. Condition: Colour:blue+white Material:plastic Package Contents: 1 x Chlorine Tablet Dispenser Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.