Fire Magic Grill Cover For Echelon E660 Or Aurora A660 Built-In Gas Grill – 3647F. 3647F. Grill & Smoker Covers. Fire Magic offers grilling accessories that make your outdoor cooking easier and more enjoyable. Manufactured with a PVC exterior and polyester interior, this grill cover is breathable, so moisture will not be trapped under the cover. Protect your valuable investment with a custom fitted grill cover that has been test and proven to not fade in the sun. This grill cover is designed to fit Fire Magic Echelon E660 or Aurora A660 built-in gas grills.