Without the add-on faucet you wouldn't be able to toggle between the regular faucet and pre-rinse faucet. AF-12 pre-rinse faucet has been manufactured to be the add-on faucet for your sink. It features a durable chrome plated brass. The value and quality of the AF-12 will be welcome in any commercial kitchen needing an add-on faucet. Constructed of chrome plated brass. Product dimensions: 12" Width x 4" Depth x 1.5" Height Product weight: 1.7 lbs Single valve for three operational types: Sprayer only Faucet only Both sprayer and faucet 12" swivel spout Stainless Steel Usage Tips: - Additional info: - SINK-PR-AF-12 #02988