FXHTC Whole House Water Filter Only $35.99 The FXHTC heavy duty whole house filter is used in filter systems GXWH30C and also fits most other brands of Whole-House filters that accept 9.5 x 4.5 inch filters. Reduces chlorine, sand, soil, silt, sediment and rust. The FXHTC will fit most major brands including Culligan, Omni, Flotec, and Premier. Fxhtc.com~Site InfoWhoisTrace RouteRBL Check