The ​​GR137/GR137A self-closing valves​​ are perfect for hands-free operation, automatically shutting off after use to save water and prevent drips, while the ​​GR138/GR138A manual push valves​​ give you precise control with every press. Made from ​​premium brass​​ with ​​G½” standard connections​​, they’re built to last through thousands of cycles, even in demanding environments. Need a sleek chrome finish? The ​​GR138B​​ adds a polished touch without sacrificing performance.