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MIFAB® MI-700 Series trap seal primers are engineered to prime one floor drain trap that is no further than twenty feet from the fixture. A 1/2 in OD copper make up water line connecting the trap seal primer to the floor drain trap is recommended for the M-700 and MI-701.
MIFAB® MI-700 Series MI-702-9.5 Gravity Fed Trap Seal Primer, 1-1/2 in Nominal, FIPT, Brass, Chrome-Plated