If the clamp on your Hayward CLAMP PRO series filter is broken, leaking, or just worn out, this Ameri SX310N flange clamp kit is the exact replacement you need. It fits several Hayward filter models including the S310, S310S, S244S, S210S, S311SX, S311SXV, and S360SX. The clamp secures the filter tank's two halves together, ensuring a tight seal so water doesn't leak out under pressure. Made to match OEM specifications for a perfect fit and reliable performance. A must-have spare for pool owners to keep their filtration system running smoothly. Easy to install with basic tools. Keep your pool clean and your filter sealed tight.