GE. FQSVF SmartWater .Undersink Filter The GE FQSVF water filter produces healthier and better-tasting drinking water and cooking water The GE FQSVF under sink filter reduces VOC, lead, cysts, asbestos, atrazine, benezene, chlorine The GE FQSVF under sink water filters also reduce sediment particles Remember to change the GE WS03X10046 o-ring every few filter changes and to keep the o-ring well Easy to replace the GE SmartWater FQSVF water filter with the new Twist and Lock system