I found this phone app for UPC codes that may help when you are looking at off brands of pellets. Just thought I would pass it along.
iGepir
(broken link removed to https://play.google.com/store/apps/details?id=ch.gs1.iGepirPaid&hl=en)
iGepir
(broken link removed to https://play.google.com/store/apps/details?id=ch.gs1.iGepirPaid&hl=en)