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Brass Air gap

Delta Brass Air gap

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What diameter hole is required for installation? Is it the standard 1-1/4? Thank you.


Hello BJ, Thank you for your question regarding the Delta Kitchen Air Gap and I am happy to help you today. The hole measurements are as follows: 1 1/4" or 32 mm minimum to 1 5/8" or 41 mm maximum. Please visit the link below to view the Technical Specifications Sheet for this model: https://media.deltafaucet.com/SpecSheet/DSP-A-72020%20Rev%20C.pdf Please feel free to give us a call if we can assist you with anything else going forward at 800-345-3358. Thank you, Brandy Delta Faucet Company Customer Service

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