Roundup 365, 1.25 Gallon, Vegetation Killer Refill, Use With 1.33 Gallon Roundup With Wand, Kills & Prevents Weeds For Up To 12 Months, Kills To The Root Guaranteed, 375 SQFT Coverage, Active Ingredients: 1% Glyphosate, Isopropylamine Salt, 0.08% Imazapic, Ammonium Salt, 0.04% Diquat Dibromide, 98.88%.