CL100 Automatic Low Water Pool Dosing Dispenser, Chemical Dispenser, Device Accessories Bullets: 1. Unique Design: No special extraction equipment is required, and the sealed design has no air leakage. 2. Easy to use: the sanitizer goes directly into the pool without additional equipment. The screw cap design can add tablets safely and conveniently to help the pool clean. 3. Prevent overdose: To prevent overdose, a comprehensive control valve and built-in check valve are required. 4. Automatic low water level design: When the pump stops working, the water level automatically drops to prevent chlorine particles from being submerged and extend the life of chlorine particles. 5. Sturdy and Durable: Using high quality environmental protection PVC material, which is corrosion resistant, sturdy and durable. Specifications: Name: automatic swimming pool chemical dispenser Material: PVC Parameter: CL100 CL100 size: about 410*120mm/16.14*4.72inch CL100 capacity: approximately 4.2 pounds Packing List 1 * Automatic Chemical Dispenser