Carr & Day & Martin Flygard Spray. Carr & Day & Martin Flygard Spray is a natural water-based formula containing effective essential oils for safe, long lasting protection against flies during the summer months. Flygard Spray also contains added coat conditioners to promote a healthy, shiny coat. Key ingredients include oil of citronell, cedarwood and wormwood oil and Aloe Barbadensis oil. 750ml and 5 litres.