Refill discs for bci #002725 the ultimate flea trap.Detects and controls indoor flea problems. super grabber glue holds them fast.Insert glue disc tab and remove release paper from glue disc.Place glue disc into bottom of trap.Silvalure is a registered trademark of silvandersson sweden ab.Dimensions (L x W x H):0.1 x 7.7 x 8.74