"Flat Faucet washer Bibb Chest, 350 00 to to 1/2 trade sizes Washers Made of Nitrile Rubber WK350F - 12051 (Flat, Nitrile)
"Flat Faucet washer Bibb Chest, 350 00 to to 1/2 trade sizes Washers Made of Nitrile Rubber WK350F: Flat, Nitrile (FDA Approved material)