Pinit FRSPP12-3-S (ParaZyme Urinal Blocks 3 oz. 12/bx) SKU FRSPP12-3-S $11.14 Currently Not Available. Please contact us for an Estimated Ship Date. Quantity -+ Add to Cart Details 30 day enzymatic para odor counteractant block. Billions of beneficial bacteria release enzymes that consume odor's sources. Springtime fragrance. 12... Details Back Details30 day enzymatic para odor counteractant block. Billions of beneficial bacteria release enzymes that consume odor's sources. Springtime fragrance. 12/box.