Adams Adams Plus Flea & Tick Collar for Small Dogs: 1 Collar 100519504 Adams Plus Flea & Tick Collar for Small Dogs fits small dog necks up to 15 inches. Provides quick knockdown and residual control of fleas and ticks. Fast acting Provides 5-month protection against fleas and ticks Keeps working even when wet - Flea & Tick Collars for Dogs admas, adams, adam, adams flea, adams tick, farnam adams. Features Adams Adams Plus Flea & Tick Collar for Small Dogs.