Do I have to buy this echo oil to mix with gasoline? Hardware keeps saying if I buy any other brand I void my warranty. Its extremely pricey and there's my trimmer :
The ROP Shop | (192) OEM ECHO Oil 5.2 oz Bottles for String Weed Hedge Trimmer Leaf Blower Chainsaw - Walmart.com
Echo Gas Backpack Blower - Leaf blowers - Chickamauga, GA - RentMyEquipment.com
Amazon.com: Echo Products, Echo 6450001G Power Blend Gold Oil Mix 50:1 for 2 stroke2cycle Outdoor Power Equipment, High Performance Semi Synthetic, Low Smoke Emission 2.6 fl oz (6 Pack), 6450001G 2.6 fl