Comparison : Item # ED21-404, ED21-404 for the EconoDot Adhesive Dispenser
Item # ED33-401, Glue Dots - EconoDot®
Item # ED31-404, ED31-404 for the EconoDot Adhesive Dispenser
Item # ED43-401, Glue Dots - EconoDot®
Item # ED41-404, ED41-404 for the EconoDot Adhesive Dispenser