This is the Pentair 79200200 10-Hole Stainless Steel Niche Liner Sealing Ring Replacement. It's a genuine OEM part for large stainless steel niche liners. This particular model measures 12.4 inches in diameter and includes 10 holes for securing the sealing ring with 3/4-inch or 1-3/8-inch screws.

• Liner sealing ring replacement part from Pentair
• Includes 10 holes for securing the sealing ring with 3/4-inch or 1-3/8-inch screws
• Genuine OEM replacement part measures 12.4 inches in diameter
• Designed for Stainless Steel Niche Liners
• Constructed with stainless steel