GreatStuff™ Gaps & Cracks Minimal Expanding Foam Sealant 12oz - Red Can w/Smart Dispenser Experience less waste, less mess and the same great performance of GREAT STUFF Foam Sealant with our improved Dispensing technology and new look. The GREAT STUFF smart dispenser can be reused, doesn’t drip and allows better control. Reusable, less mess & more control. The new Smart Dispenser allows for storage up to 30 days after opening with the new drip-free design.