Pfister 974-3210 Pressure Balance Cartridge

The Pfister 974-3210 is a Pressure Balance Cartridge. It comes with a Pforever seal that features an advanced ceramic disc valve technology with a no-leak guarantee. This cartridge is intended for shower heads rated @ 1 gallon per minute (3.8 L/min) or higher. The Pfister 974-3210 is made of exceptional and reliable materials. It is easy and quick to install.