Chainsaw Chain 20 Inch .050 .325 80DL for Echo CS-520 CS520 CS-501P 3-Pack | eBay
Ripping Chainsaw Chain 20 inch .050 3/8 70DL for Echo Poulan Jonsered 10 Pack 810-CCC2208H - Walmart.com
Oregon 20 in. Chainsaw Bar & H78 Chain, Fits Echo, Craftsman, Homelite, Poulan, Ryobi, John Deere and more (37977) 20K041H78-21 - The Home Depot
Oregon H78 2-Pack Chainsaw Chain for 20in. Bar Fits Echo, Husqvarna, John Deere, Poulan, Jonsered, Craftsman, Makita and others H78T-21 - The Home Depot