Presto 09964 PowerCup Microwave Concentrators 8 Pack for PowerPop Popper

The patented target design on these Presto PowerCup Concentrators aim microwaves to where they’re needed most, so that virtually every popcorn kernel pops. The 4-3/4-inch concentrators are intended for use with the Presto PowerPop microwave multi-popper. Thank you for looking!