Replacement SPECTRUM Pleated Polyester BB 10" Single Sediment 5µm Filter 4.5" x 10"

10" x 4.5" Replacement filter cartridges only
Contains 1 filter cartridge:
First Cartridge (1): SPECTRUM Pleat² polyester filter 5µm 10'' cartridge for large diameter housings

PLEASE NOTE THIS IS THE FILTER REPLACEMENT FOR FILTER 1 (of a quad system). WE RECOMMEND YOU CHANGE THIS FILTER EVERY 3-6 MONTHS DEPENDING ON USAGE OR PRESSURE GAUGE INDICATION.