MIFAB® Trap Seal Primer, Pressure Drop Activated, Series: M-500, 4-1/8 in Length, 1/2 in FNPT x 1/2 in MNPT, 1-1/4 in Dia
Complete with four view holes and removable filter screenServes up to 6 floor drain traps and requires no adjustments and no air pre-chargeNPB: Lead free materialThe wetted surface of the NPB series of water hammer arresters contacted by consumable water contains less than one quarter of one percent (0.25%) of lead by weight