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Continue to ChatNUMATICS F901EG20NZ - G2 1/2, Electronic Drain Valve, 0.01 Micron, Series F901 Ultra Fine Grade Coalescing Filter https://www.valves-direct.com/product/numatics-f901eg20nz-g2-1-2-electronic-drain-valve-0-01-micron-series-f901-ultra-fine-grade-coalescing-filter/