MATRIKX CTO Carbon Block Filter - 20" Jumbo 4.5", 5 or 1 Micron, PFAS and Chloramine Reduction NZ Micron:CTO — 5 micron and everyday damage—perfect for backup

and everyday damage—perfect for backup or shared use

Custom fit for Apple Watch Series 9 – 45mm

helping extend axle life in demanding outdoor environments

Realistic black brick pattern for a modern look

MATRIKX CTO Carbon Block Filter - 20" Jumbo 4.5", 5 or 1 Micron, PFAS and Chloramine Reduction NZ Micron:CTO — 5 micron and everyday damage—perfect for backupThe highest capacity MATRIKX carbon block for Jumbo (Big Blue) 20" x 4. 5" housings, with exceptional service life between replacements. The MATRIKX CTO range offers two carbon block options in the Jumbo 20" size. Select your variant using the dropdown above. CTO 5 micron nominal. Reduces chlorine, PFAS, and chloramine. CTO Plus 1 micron nominal. Reduces chlorine, PFAS, chloramine, and VOCs. The 20" Jumbo combines the largest diameter (4. 5") with the