Ultra Quat SPE Tubes 6mL, 500mg, for Paraquat/Diquat 30pk, Restek Alternative to EPA Method 549.2 $231.00 Quantity discounts available QuantityPrice SKU: RES-25499 BRAND: Restek Corporation *Item is not in stock. This item normally carries a 5-10 day lead time. Get Notified When Available We'll email you when Ultra Quat SPE Tubes 6mL, 500mg, for Paraquat/Diquat 30pk, Restek Alternative to EPA Method 549.2 is back in stock or available for preorder. Please get in touch with Customer Service or your Jade Scientific, Inc. sales representative if you want to find an in-stock alternative. Name Last name Email Address (required)Subscribe to marketing emails. Get notified Quantity -+ Add to Cart