MID-WEST 845-3 VALVE TEST KIT. 

Tests all testable backflows

Comes with gauge, hoses with filters (Red, Blue, and Yellow), carrying case, set of MIP adapters (3 of 1/4" adapters, 3 of 1/2" bushings, 3/4" bushings),strap to hang around your neck or over a pipe.

This comes with a 5 year warranty.

It comes calibrated from the factory, usually no more than 2-4 weeks old but there may be some exceptions.