CB-AF Big CTO 20 SX 5 Micron - Carbon Block for Chlorine, Taste & Odor - 4.5" x 20" RE4520CT5(0)No Reviews yet Part #: RE4520CT5 $125.68 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Ships within 48hrs! Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review