- Size and compatibility: 3 3/8 inch diameter splash guard designed for InSinkErator Evolution series waste disposers, compatible with part QCB-AM. Not compatible with Badger series, Waste King, Whirlaway, GE. - Function and drainage: Acts as a splash guard to prevent water and food from splashing up. It includes two side holes for drainage; if water cannot drain, manually open the small holes on two sides by tearing them apart by hand. - Material and durability: Rubber drain insert uses EPDM, a durable material resistant to aging with good impact elasticity. Heat resistant up to 150 C, operating range -50 C to +150 C. Hygienic and easy to clean; an effective replacement for dirty and old sink baffles. - Noise and splash reduction: The 2022 rubber drain plugs open easily under the weight of water, helping prevent splashing and creating a more comfortable sink environment. Provides up to 70% reduction in operating noise of the garbage disposer. - Installation and maintenance: Highly compatible for easy installation. Drain hole design supports various prep and cleaning tasks to keep water flowing through the drain pipe. Easy washing, simple installation and removal, convenient for everyday use. - Use scenarios: - Daily kitchen cleanup with an InSinkErator Evolution disposer to minimize splash and noise. - Washing large pots and dishes, where limiting splash is important and water flow must remain unobstructed. - Post-prep disposal tasks, ensuring smooth drainage and quiet operation during cleanup.