Big Blue CTO Carbon Block & Sediment Water Filters 4.5" x 20" Cartridges Set Cartridge Type_Pleated Sediment The unique cap design allows

The unique cap design allows quick and easy-to-remove housing to replace cartridges

50 GPD Thin Film Membrane

20 Inch Big Blue Housing

Using the 40 um stainless steel mesh to effectively remove sediment

Big Blue CTO Carbon Block & Sediment Water Filters 4.5" x 20" Cartridges Set Cartridge Type_Pleated Sediment The unique cap design allowsBig Blue CTO Carbon Block Water Filters 4. 5" x 20" Whole House Cartridges 20" Big Blue Block Activated Carbon filters are similar in their performance to that of GAC filters, being made of fine coconut shell carbon they also do remove odors and tastes of many organic compounds, chlorine especially. Though, because this filters are made of a packed carbon (forming a cylinder block), they offer a much finer filtration of suspended particles and dirt.