Leader ClearLax Polyethylene Glycol Powder - Laxative, 17.9 oz - 30 doses Sale! from 2098 2098 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Generic for Miralax. Grit-free Unflavored powder. Polyethylene glycol 3350 powder for solution, osmotic laxative. 30 once-daily doses - 17.9 oz (510g) Qty available:12 Tweet