The InSinkErator #5 MOUNT is a sink flange mounting assembly designed for openings ranging from 3-1/2" to 4". This durable component ensures a secure fit for your disposer, enhancing its stability and performance. Crafted for easy installation, the #5 MOUNT is an essential accessory for maintaining the efficiency of your waste disposal system. Ideal for both new installations and replacements, it provides a reliable solution for your kitchen needs.