Pentek - WP5BB20P - 20" x 4.5" Polypropylene String Wound Filter 10 inch x 4.5 inch Big Blue Filters2762 and replace the UV lamp

and replace the UV lamp annually or per manufacturer schedule regardless of visible operation

High-flow commercial reverse osmosis membrane element with 2

Built for homes with higher flow demands or well water systems where bacterial contamination is a concern

Non-cellulose media resists bacterial attack

direct connection to refrigerator water lines

Pentek - WP5BB20P - 20" x 4.5" Polypropylene String Wound Filter 10 inch x 4.5 inch Big Blue Filters2762 and replace the UV lampPentek String Wound Sediment Filter 20" x 4. 5" Polypropylene String Wound Filter WP5BB20P Precision wound polypropylene sediment filter with 5 micron nominal rating for high capacity whole house, well, and commercial applications 5 Micron Nominal 20" x 4. 5" Big Blue String Wound WHY IT WORKS Engineered for Higher Dirt Loading Capacity Precision Wound Pattern Polypropylene cord wound in a precise pattern around a rigid core creates greater surface