- Black strap
- Compatible with any D.T. Systems H2O PLUS system
- Collar Unit – 2 5/8 in. x 2 in. x 1 1/2 in., 8.2 oz. (with belt)
This Add-On collar is compatible with any H2O PLUS system, and it can also replace any lost or damaged H2O 1800 series collar unit.