Watts (WQTCBC-10) 10" Pre-filter Cartridge for Watts QT RO - Carbon Block fridge filter Model Number F-40500LN-6 Series F-400

Model Number F-40500LN-6 Series F-400 Flow Measurement Range 0

Apply food-grade lubricant to the o-ring

Uses existing cold water line

Solid Block Construction

This filter excels in pre-membrane filtration

Watts (WQTCBC-10) 10" Pre-filter Cartridge for Watts QT RO - Carbon Block fridge filter Model Number F-40500LN-6 Series F-400Watts Premier Filtration Watts WQTCBC 10 Carbon Block Pre filter Cartridge 10 inch solid carbon block pre filter engineered for Watts QT reverse osmosis systems. Removes chlorine, organics, and sediment before water reaches the membrane. Carbon Block 10 Inch Standard Watts QT Compatible WHY IT WORKS Activated carbon block protects your RO membrane Solid Block Construction Extruded carbon block provides superior contact time and removal efficiency