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The first and only fully-integrated, fixed air gap drain system on the market. Wholesale Product Group introduces the DrainGapⓇ FS™ – a fully integrated, code-compliant air gap drain system designed to meet the rigorous demands of commercial and institutional environments. With this complete solution, we deliver everything you need for reliable, high-performance drainage in one certified package. The system comes with a 12" x 12" sanitary floor sink, a ready-to-connect trap