Dow Pro Gaps and Cracks 24 oz Gun Foam (12) + Great Stuff Pro 14 Dispensing Gun (1)+Great Stuff Pro foam Gun Cleaner (2) This bundle includes 12 Gaps and Cracks 24 oz Gun Foam, 1 Pro 14 Dispensing Gun and 2 Gun cleaner 24 oz foam Forms a permanent weather-tight seal to minimize drafts and insect infestation pro 14 gun is one-hand operation for quick and easy application Exceptional adhesion to building materials Interior or exterior use