Outdoor Water Conservation Kit. Reduce Your Water Consumption: Our outdoor water saver kit helps you to reduce your outdoor water consumption by repairing leaking hose couplings, gauging sprinkler use with a rain gauge, and using a hose washer. The Outdoor Water Saver Kit Includes: Includes a 6 position water gun for your hose, English and metric rain gauge, three hose washers, and a male and female hose end repair kit. An inexpensive and smart household addition. Supports education or training, Prevents ecological destruction.