Features:

• Easy-lock cover assembly has thread-assist mechanism to provide dependable sealing plus convenient access for adding tablets or sticks.
• Chlorine chamber has extra large capacity.CL-100 series feeders hold up to 4.2lbs. of Tri-Chlor tabs,while the larger CL-200 series has a 9 lb. capacity to meet the requirements of all sizes and types of pools. Corrosionproof,versatile design accommodates large or small slow-dissolve tablets or sticks.
• Dial regulating valve is easy to use and lets you control and adjust the rate of feed for your pool's variable requirements and chlorine demand.Provides controlled outlet flow of highly concentrated chlorinated water plus serves as an quto air relief to expel entrapped air from the chlorine chamber.
• Versatility for new or existing pools.Select either direct in-line or off-line unit to make installation easy for your pool or spa system.

CL-500,CL-800 and CL-1000 are suitable for medium size pool and big pools.