Swimline Hydrotools O-Ring seal is used with the flange clamp which connects the sand filter tank with the 4 way valve on sand filter systems with 16", 19", 22" and 24" tanks

The Model 71612 Replacement Tank Flange Clamp O-Ring Features Include

• Replacement O-ring seal for Hydrotools Model 71610, 71915, 72220 and 72420 sand filter systems
• Replacement O-ring seal for Hydrotools Model 71600, 71900, 72200 and 72400 sand filters
• Made using the highest quality materials
• Genuine Swimline Hydrotools replacement part