2 Pack Toilet Flapper Compatible with 3-inch Gerber 99-788: Designed to fit 3-inch flush valves, this toilet flapper replacement kit compatible with Gerber toilet flapper 99-788, Please check the middle size and attachment arm size of the toilet flapper before purchase.

Easy to Install: Toilet flapper replacement installs in minutes with any tool. Simply remove the old toilet flapper, attach the new one, adjust the chain length, and restore normal flushing. Ideal for quick DIY toilet repairs in homes, apartments, and rental properties.

Durable & Leak-Proof Design: 3 inch toilet flapper solve your toilet leaks, improve your toilet flushing system. Save water bills. Equipped with stainless steel toilet chain.

High Quality Toilet Flapper: Universal toilet tank replacement made of premium rubber, Providing stronger sealing and durability. Toilet stopper flapper can work stably and long-term in any water quality.

Quickly Fix Toilet Flapper Replacement Kit: Includes 2pcs premium rubber flapper, stainless steel chain and hook for easy adjustment and secure attachment.