Marketing InformationAll Spears® CTS valve and stops are certified lead-free and listed for potable water service by NSF International. Spears® offers a wide variety of EverTUFF® CTS valves and supply stops for system flow control that are pressure-rated to 100 psi at 180 deg F. These include economical residential or full-port commercial CTS ball valves for 1/4-turn shut-off throughout the system. CTS 1/4-turn angle and straight supply stop valves designed for connection to flexible supply lines serve to connect faucets, toilets and other fixtures.