The 435BP from Korky is a Replacement Flush Valve Seal Kit for American Standard Champion and Kohler Class Five & Class Six Toilets.

Features:

• Fits American Standard Champion 3, Kohler Class Five, or Kohler Class Six toilets;
• Replaces American Standard parts# 738651-0070A and Kohler part# GP1059291;
• Includes : (1) Kohler Flush Valve Seal and (1) American Standard Flush Valve Seal;
• Chlorazone rubber material resists chlorine, bacteria, city water treatment, hard water, and well water;
• Made in the USA.

Warranty:

• 5 year manufacturer's warranty