DUCK AIR FRESHNER ACTIVE CLEAN MARINE WAVE 38.6 GM The DUCK AIR FRESHNER ACTIVE CLEAN MARINE WAVE 38.6 GM is the perfect choice for those who want to keep their car smelling great. This air-freshener features an advanced formula that delivers long-lasting and powerful ocean-scented fragrance, eliminating odors without any fuss. Its compact size also makes it easy to use, so you can keep your car smelling fresh no matter where you’re heading.