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Hittinuhard t1_j25xq2h wrote on December 29, 2022 at 10:08 PM

Reply to comment by [deleted] in Help drilling a hole through kitchen countertop & flange of undermount sink for a water filter by [deleted]

If you want to be really safe remove the faucet and measure front and back of the existing hole and you can find center. The existing holes on the sink should be 4" on center.