This pressure balance shower cartridge replacement is designed for Gerber faucets, including Safetemp valves. The washerless assembly includes a pressure balance cartridge, stem and bonnet set, and an adjustable temperature limit stop for safe, steady water temperature. Built from durable plastic and metal, it resists wear and provides long-lasting, maintenance-free performance. The anti-scald feature limits hot water temperature, while the pressure balance technology keeps water temperature stable within �3�F. Easy to install, this full assembly quickly replaces old or leaking cartridges, restoring smooth faucet operation.