(2-PACK) Big Blue Whole house Sediment Water Filter 4.5" x 10" (5 micron）Compatible with DuPont WFHD13001B，Pentek DGD series， RFC series，Culligan RFC-BBSA ，Whirlpool WHKF-GD25BB[Product Information]- Replaces the same size (10” x4.5”) of following models:DuPont WFHD13001B; Pentek DGD series， RFC series; Culligan RFC-BBSA; Whirlpool WHKF-GD25BB. Fits Universal Big Blue/ Jumbo whole house water filter system.
- The filter has three layers. Micron rate differs from outside to inside. Outer layer is 10 micron. Middle layer is 7 micron. Inner layer is 5 micron. By this way， the filter has higher capacity of holding dirt. The filter has an Absolute Micron Rate-5 micron， which means the particle removal rate can be 95 % or over. General filer only have Nominal Micron Rate.
- Inside is granular activated carbon made by natural coconut shell. Coconut shell activated carbon does not contain heavy metals that general coal activated carbon may have， and have good effect to remove THM’s.
- Removes chlorine， taste and odor; Remove sediment such as sand， rush particles and scale particles. Does not remove beneficial minerals.
- Food grade material， 100% fresh polypropylene.The filter is NSF 42 certified by WQA Gold Seal.
