4.5" x 20" Big Blue Refillable Inline Carbon and Phosphate Filter

Description

This 4.5" x 20" premium coconut shell GAC (granular activated carbon) + SLOW PHOS phosphate refillable filter uses high grade filtration media for chlorine, taste, and odor treatment. This mix of coconut shell carbon (GAC) and phosphate is most often used for scale prevention, corrosion inhibition, and iron control. This filter fits any standard housing made for 4.5" x 20" cartridges. Save money with this refillable inline filter.