Kohler Class 5 Flapper 3 in.

Upgrade your toilet’s performance with the Kohler Class 5 Flapper 3 in., designed as a direct replacement for Kohler Class Five flush valves. Crafted from premium red chlorazone rubber, this flapper helps maintain a reliable seal, resists chlorine degradation and prevents annoying leaks. Its simple, no-fuss design makes installation quick and tool-free—get your toilet back to optimal operation in minutes.

Key Features

• Durable chlorazone rubber resists chlorine and hard water damage
• Precision-molded 3 in. diameter ensures a tight, leak-free seal
• Non-adjustable design matches OEM specifications for consistent flush performance
• Installs easily—no extra hardware or handles required
• Single-piece, carded packaging for straightforward replacement