Delta Faucet RP19804 Pressure Balance Cartridge for Tub and Shower Valves - 1300 / 1400 Series<img src="http://ecx.images-amazon.com/images/I/41OrZpkJMZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31BL7jnEXTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31zdul9g6GL.jpg" noproxy>