Click to expand Tap to zoom Beaphar Waterproof Dog Flea and Tick Collar x 3 Pack Save Liquid error (product-badge line 32): Computation results in '-Infinity'% £10.48 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Waterproof Dog Flea & Tick Collar. Kills Fleas for up to 4 Months.