Downtown Pet Supply 2 PACK Citronella Spray Can REFILL for NO BARK Collar, 6.2 ounces (Approximately 600 sprays)-Safe, Gentle and Effective Works with: Downtown Pet Supply, Gentle Spray, Spray Commander, Spray Barrier and Virtual Fence spray products. 2 Pack, 6.2 ounces, Approximately 600 + sprays Safe and Effective for humans and animals, Ozone friendly Satisfaction Guaranteed Brand: Downtown Pet Supply