COA High Frequency Whistle Aquarium light timer controller BioPlus Coarse - M

BioPlus Coarse - M

lift and remove the colored side of the partition

Occasional live/frozen foods like brine shrimp

Highly flexible air tube

Adult Size: 6–8 cm (2

COA High Frequency Whistle Aquarium light timer controller BioPlus Coarse - MThe COA High Frequency whistle produces a high pitched sound that is clearly audible to your dog but is much quieter to humans, making it the perfect choice for people with sensitive ears or for training indoors. The high pitched sound travels well in open spaces and the pitch can be adjusted to suit individual dogs hearing ranges and provide a customized recall for your dog. Key Features: Lightweight Compact Adjustable pitch