Sergeant's Guardian Pro Flea & Tick Collar for Dogs, Kills Fleas & Ticks, Long Lasting Protection for 6 Months, Fresh Scent, One Size Fits All, 1 Collar 6 Inch Aquarium Plant with Weighted Base they’re free from artificial preservatives

they’re free from artificial preservatives like BHA & artificial colors

variable pressure regulator

Lens holder doubles as kickstand for viewing

Eliminate Sludge and Detritus

Sergeant's Guardian Pro Flea & Tick Collar for Dogs, Kills Fleas & Ticks, Long Lasting Protection for 6 Months, Fresh Scent, One Size Fits All, 1 Collar 6 Inch Aquarium Plant with Weighted Base they’re free from artificial preservativesSergeants Guardian PRO Flea & Tick Collar for Dogs 6 Months Protection Product DescriptionSergeants Guardian PRO Flea & Tick Collar provides an effective and affordable way to protect dogs and puppies from fleas and ticks. Offering up to 6 months of continuous protection, this collar is a convenient alternative to messy topical treatments. With a fresh scent and easy to use design, it keeps your pet safe and comfortable. About this item Long lasting